Rulings · Colombo, Western Province, Sri Lanka
| Date | Observance | Decided by | Standing |
|---|---|---|---|
| Thu 2 Jan | Putradā EkādaśīPāraṇa Fri 3 Jan, 06:23–08:44 | Ekādaśī holds at sunrise. | Determinate |
| Fri 3 Jan | Śukla Pradoṣa Vrata | Trayodaśī covers 98 of 98 minutes of pradoṣa. | Determinate |
| Thu 9 Jan | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Mon 13 Jan | Bhogi | Kept the day before Pongal. | Determinate |
| Tue 14 Jan | Pongal | The Sun enters Makara on this day, before sunset. | Determinate |
| Tue 14 Jan | Makara Saṅkrānti | The Sun enters Makara on this day, counted from midnight. | Determinate |
| Wed 15 Jan | Mattu Pongal | Kept the day after Pongal. | Determinate |
| Sat 18 Jan | Ṣaṭtilā EkādaśīPāraṇa Sun 19 Jan, 06:28–08:23 | Ekādaśī holds at sunrise. | Determinate |
| Sun 19 Jan | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 98 of 98 minutes of pradoṣa. | Determinate |
| Mon 20 Jan | Yama Tarpaṇa | Caturdaśī does not reach aruṇodaya on either day. | Boundary |
| Mon 20 Jan | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Fri 24 Jan | Tila Caturthī | Caturthī covers 98 of 98 minutes of pradoṣa. | Determinate |
| Sat 25 Jan | Gaṇeśa JayantīMaghi Ganesh Jayanti | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 26 Jan | Śrī Pañcamī | Pañcamī does not reach madhyāhna on either day; the source then takes the second. | Determinate |
| Sun 26 Jan | Vasanta Pañcamī | Pañcamī does not reach madhyāhna on either day; the source then takes the second. | Determinate |
| Tue 28 Jan | Ratha Saptamī | Saptamī covers 98 of 98 minutes of aruṇodaya. | Determinate |
| Fri 31 Jan | Jayā EkādaśīPāraṇa Sat 1 Feb, 13:35–15:57 | Ekādaśī holds at sunrise. | Determinate |
| Sat 1 Feb | Bhīṣma Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 2 Feb | Śukla Pradoṣa Vrata | Trayodaśī covers 97 of 97 minutes of pradoṣa. | Determinate |
| Tue 4 Feb | Māghī Pūrṇimā | Pūrṇimā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 8 Feb | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Sun 16 Feb | Vijayā EkādaśīPāraṇa Mon 17 Feb, 06:27–08:50 | Ekādaśī holds at sunrise. | Determinate |
| Tue 18 Feb | Mahāśivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Tue 18 Feb | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 87 of 97 minutes of pradoṣa. | Determinate |
| Sun 23 Feb | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 2 Mar | Āmalakī EkādaśīPāraṇa Mon 3 Mar, 06:23–08:47 | Ekādaśī holds at sunrise. | Determinate |
| Tue 4 Mar | Śukla Pradoṣa Vrata | Trayodaśī covers 96 of 96 minutes of pradoṣa. | Boundary |
| Thu 6 Mar | Holikā Dahana | Pūrṇimā covers 144 of 144 minutes of sāyāhna. | Determinate |
| Fri 7 Mar | Holī | Kept the day after Holikā Dahana. | Determinate |
| Fri 7 Mar | Vasantotsava | Pratipadā holds at sunrise. | Determinate |
| Mon 10 Mar | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Sat 15 Mar | Śītalāṣṭamī | Aṣṭamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 18 Mar | Pāpamocanī EkādaśīPāraṇa Wed 19 Mar, 06:16–08:41 | Ekādaśī holds at sunrise. | Determinate |
| Wed 19 Mar | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 95 of 95 minutes of pradoṣa. | Determinate |
| Thu 20 Mar | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Sat 22 Mar | Navarātrārambha (Caitra)Chaitra Navratri | Pratipadā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Mon 24 Mar | Gaurī TṛtīyāGangaur | Tṛtīyā covers 28 of 48 minutes of madhyāhna. | Determinate |
| Mon 24 Mar | Saubhāgya Śayana Vrata | Tṛtīyā covers 28 of 48 minutes of madhyāhna. | Determinate |
| Mon 24 Mar | Vināyaka Caturthī | Caturthī covers 20 of 48 minutes of madhyāhna. | Determinate |
| Tue 25 Mar | Lakṣmī Pañcamī | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 28 Mar | Bhavānī Utpatti | Aṣṭamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 29 Mar | Rāma Navamī | Navamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 1 Apr | Kāmadā EkādaśīPāraṇa Wed 2 Apr, 06:09–08:35 | Ekādaśī holds at sunrise. | Determinate |
| Wed 2 Apr | Anaṅga Trayodaśī | Trayodaśī covers 34 of 48 minutes of madhyāhna. | Determinate |
| Wed 2 Apr | Śukla Pradoṣa Vrata | Trayodaśī covers 94 of 94 minutes of pradoṣa. | Determinate |
| Fri 4 Apr | Viṣṇudamanaka Caturdaśī | Caturdaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 5 Apr | Caitrī Pūrṇimā | Pūrṇimā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 9 Apr | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Mon 14 Apr | Vaiśākhī | The Sun enters Meṣa on this day, counted from sunrise. | Determinate |
| Wed 16 Apr | Varūthinī EkādaśīPāraṇa Thu 17 Apr, 06:02–08:29 | Ekādaśī holds at sunrise. | Determinate |
| Thu 17 Apr | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 88 of 94 minutes of pradoṣa. | Determinate |
| Fri 18 Apr | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Tue 22 Apr | Akṣaya Tṛtīyā | Tṛtīyā covers 246 of 246 minutes of pūrvāhṇa. | Determinate |
| Tue 22 Apr | Paraśurāma Jayantī | Tṛtīyā covers 93 of 93 minutes of pradoṣa. | Determinate |
| Wed 23 Apr | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 24 Apr | Śaṅkara Jayantī | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 26 Apr | GaṅgotpattiGanga Saptami | Saptamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 30 Apr | Mohinī EkādaśīPāraṇa Thu 1 May, 13:22–15:50 | Ekādaśī holds at sunrise. | Determinate |
| Thu 1 May | Paraśurāma Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 1 May | Rukmiṇī Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 2 May | Śukla Pradoṣa Vrata | Trayodaśī covers 93 of 93 minutes of pradoṣa. | Determinate |
| Sat 3 May | Nṛsiṃha CaturdaśīNarasimha Jayanti | Caturdaśī covers 93 of 93 minutes of pradoṣa. | Determinate |
| Sun 4 May | Buddha Pūrṇimā | Pūrṇimā covers 48 of 48 minutes of madhyāhna. | Boundary |
| Mon 5 May | Sampat Gaurī Vrata | Pūrṇimā covers 35 of 48 minutes of madhyāhna. | Determinate |
| Thu 8 May | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Thu 15 May | Aparā EkādaśīPāraṇa Fri 16 May, 13:22–15:51 | Ekādaśī touches no sunrise; it is kept on the day it falls. | Determinate |
| Sat 17 May | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 92 of 92 minutes of pradoṣa. | Determinate |
| Sat 17 May | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Wed 21 May | Rambhā Tṛtīyā | Tṛtīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 22 May | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 24 May | Araṇya Gaurī Vrata | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 24 May | Skanda Ṣaṣṭhī (Jyaiṣṭha) | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 30 May | Nirjalā EkādaśīPāraṇa Sat 31 May, 05:54–08:24 | Ekādaśī holds at sunrise. | Determinate |
| Sat 31 May | Śrī Rāma Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 1 Jun | Śukla Pradoṣa Vrata | Trayodaśī covers 92 of 92 minutes of pradoṣa. | Determinate |
| Tue 3 Jun | Vaṭa Sāvitrī Vrata | Pūrṇimā covers 92 of 92 minutes of pradoṣa. | Determinate |
| Sat 7 Jun | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Sat 14 Jun | Yoginī EkādaśīPāraṇa Sun 15 Jun, 05:56–07:54 | Ekādaśī holds at sunrise. | Determinate |
| Sun 15 Jun | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 92 of 92 minutes of pradoṣa. | Determinate |
| Mon 16 Jun | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Thu 19 Jun | Rathayātrā | Dvitīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 21 Jun | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 22 Jun | Skanda Pañcamī | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 24 Jun | Vivasvat Saptamī | Saptamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 29 Jun | Hariśayanī EkādaśīPāraṇa Mon 30 Jun, 05:59–08:29 | Ekādaśī holds at sunrise. | Determinate |
| Mon 30 Jun | Śukla Pradoṣa Vrata | Trayodaśī covers 92 of 92 minutes of pradoṣa. | Determinate |
| Wed 2 Jul | Kokilā Vrata | Pūrṇimā covers 150 of 150 minutes of sāyāhna. | Determinate |
| Wed 2 Jul | Śiva Śayanotsava | Pūrṇimā covers 92 of 92 minutes of pradoṣa. | Determinate |
| Thu 3 Jul | Vyāsa Pūjā | Pūrṇimā covers 150 of 150 minutes of the first three muhūrtas after sunrise. | Determinate |
| Thu 3 Jul | Guru Pūrṇimā | Pūrṇimā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 4 Jul | Aśūnya Śayana Vrata (Āṣāḍha) | Dvitīyā is current at moonrise. | Determinate |
| Sun 6 Jul | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Sun 13 Jul | Kāmikā EkādaśīPāraṇa Mon 14 Jul, 06:02–08:32 | Ekādaśī holds at sunrise. | Determinate |
| Mon 14 Jul | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 92 of 92 minutes of pradoṣa. | Determinate |
| Tue 15 Jul | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Mon 21 Jul | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Boundary |
| Mon 28 Jul | Śukla EkādaśīPāraṇa Tue 29 Jul, 13:32–16:01 | Ekādaśī holds at sunrise. | Determinate |
| Wed 30 Jul | Śukla Pradoṣa Vrata | Trayodaśī covers 93 of 93 minutes of pradoṣa. | Determinate |
| Mon 4 Aug | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Mon 11 Aug | Kṛṣṇa EkādaśīPāraṇa Tue 12 Aug, 06:05–08:33 | Ekādaśī holds at sunrise. | Determinate |
| Wed 13 Aug | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 93 of 93 minutes of pradoṣa. | Determinate |
| Wed 13 Aug | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Mon 18 Aug | Madhusravā TṛtīyāHariyali Teej | Tṛtīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 19 Aug | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 20 Aug | Nāga Pañcamī | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 27 Aug | Putradā EkādaśīPāraṇa Thu 28 Aug, 06:04–08:31 | Ekādaśī holds at sunrise. | Determinate |
| Thu 28 Aug | Dāmodara Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 28 Aug | Śukla Pradoṣa Vrata | Trayodaśī covers 94 of 94 minutes of pradoṣa. | Determinate |
| Sat 30 Aug | Rakṣā BandhanaRakhi | The second half of Pūrṇimā covers 537 of 1440 minutes of the day. | Boundary |
| Sat 30 Aug | Ṛṣi Tarpaṇa | Pūrṇimā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Mon 1 Sep | Aśūnya Śayana Vrata | Dvitīyā is current at moonrise. | Determinate |
| Tue 2 Sep | Kajjalī TṛtīyāKajari Teej | Tṛtīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 2 Sep | Saṅkaṣṭa Caturthī | Caturthī does not reach moonrise on either day. | Boundary |
| Wed 3 Sep | Bahulā Caturthī | Caturthī covers 147 of 147 minutes of sāyāhna. | Determinate |
| Fri 5 Sep | Hala Ṣaṣṭhī | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 6 Sep | Janmāṣṭamī | Aṣṭamī covers 48 of 48 minutes of niśītha. | Determinate |
| Sat 6 Sep | Śītalā Saptamī | Saptamī does not reach madhyāhna on either day; the source then takes the second. | Determinate |
| Wed 10 Sep | Ajā EkādaśīPāraṇa Thu 11 Sep, 06:02–08:28 | Ekādaśī holds at sunrise. | Determinate |
| Thu 11 Sep | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 95 of 95 minutes of pradoṣa. | Determinate |
| Fri 12 Sep | Aghora Caturdaśī | Caturdaśī covers 95 of 95 minutes of pradoṣa. | Determinate |
| Fri 12 Sep | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Mon 15 Sep | Rudra Vrata | Pratipadā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 17 Sep | Haritālikā VrataHartalika Teej | Tṛtīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 18 Sep | Gaṇeśa Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 19 Sep | Ṛṣi Pañcamī | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 20 Sep | Sūrya Ṣaṣṭhī (Bhādrapada) | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 21 Sep | Muktābharaṇa Vrata | Saptamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Mon 22 Sep | Rādhāṣṭamī | Aṣṭamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 25 Sep | Parivartanī EkādaśīPāraṇa Fri 26 Sep, 13:14–15:39 | Ekādaśī touches no sunrise; it is kept on the day it falls. | Determinate |
| Fri 26 Sep | Vāmana Jayantī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 27 Sep | Śukla Pradoṣa Vrata | Trayodaśī covers 95 of 95 minutes of pradoṣa. | Determinate |
| Sun 28 Sep | Ananta Caturdaśī | Caturdaśī covers 145 of 145 minutes of the first three muhūrtas after sunrise. | Determinate |
| Thu 2 Oct | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Fri 3 Oct | Candra Ṣaṣṭhī | Ṣaṣṭhī does not reach moonrise on either day. | Boundary |
| Sun 5 Oct | Mahālakṣmī Vrata Samāpana | Aṣṭamī is current at moonrise. | Determinate |
| Mon 6 Oct | JitāṣṭamīJitiya | Aṣṭamī covers 96 of 96 minutes of pradoṣa. | Determinate |
| Thu 9 Oct | Indirā EkādaśīPāraṇa Fri 10 Oct, 05:58–08:22 | Ekādaśī holds at sunrise. | Determinate |
| Sat 11 Oct | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 96 of 96 minutes of pradoṣa. | Determinate |
| Sun 12 Oct | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Mon 13 Oct | Mahālaya AmāvāsyāSarvapitṛ Amāvāsyā | Amāvasyā covers 144 of 144 minutes of aparāhṇa. | Determinate |
| Tue 14 Oct | NavarātrārambhaNavratri | Pratipadā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 18 Oct | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 21 Oct | Durgā Saptamī | Saptamī covers 48 of 48 minutes of the first muhūrta after sunrise. | Determinate |
| Wed 22 Oct | MahāṣṭamīDurga Ashtami | Aṣṭamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 23 Oct | Mahānavamī | Navamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 24 Oct | Vijayā DaśamīDussehra | Daśamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sat 25 Oct | Pāśāṅkuśā EkādaśīPāraṇa Sun 26 Oct, 05:58–08:20 | Ekādaśī holds at sunrise. | Determinate |
| Sun 26 Oct | Śukla Pradoṣa Vrata | Trayodaśī covers 97 of 97 minutes of pradoṣa. | Determinate |
| Fri 31 Oct | Karaka CaturthīKarwa Chauth | Caturthī is current at moonrise. | Determinate |
| Fri 31 Oct | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Tue 4 Nov | Ahoyī Aṣṭamī | Aṣṭamī is current at moonrise. | Determinate |
| Sat 8 Nov | Ramā EkādaśīPāraṇa Sun 9 Nov, 06:00–08:21 | Ekādaśī holds at sunrise. | Determinate |
| Sat 8 Nov | Govatsa DvādaśīVasu Baras | Dvādaśī covers 97 of 97 minutes of pradoṣa. | Determinate |
| Mon 10 Nov | Yama Dīpadāna | Trayodaśī covers 97 of 97 minutes of pradoṣa. | Boundary |
| Mon 10 Nov | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 97 of 97 minutes of pradoṣa. | Boundary |
| Mon 10 Nov | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Boundary |
| Tue 11 Nov | Naraka CaturdaśīChoti Diwali | Caturdaśī covers 97 of 97 minutes of aruṇodaya. | Determinate |
| Tue 11 Nov | Kālī Pūjā | Amāvasyā covers 48 of 48 minutes of niśītha. | Boundary |
| Wed 12 Nov | Lakṣmī PūjāDiwali | Amāvasyā covers 98 of 98 minutes of pradoṣa. | Determinate |
| Thu 13 Nov | Govardhana Pūjā | Pratipadā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 13 Nov | Bali Pūjā | Pratipadā covers 98 of 98 minutes of pradoṣa. | Determinate |
| Thu 13 Nov | Dyūta Pratipad | Pratipadā covers 236 of 236 minutes of pūrvāhṇa. | Determinate |
| Fri 14 Nov | Yama DvitīyāBhai Dooj | Dvitīyā covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 16 Nov | Nāga Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 16 Nov | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 18 Nov | Sūrya ṢaṣṭhīChhath | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 20 Nov | Gopāṣṭamī | Aṣṭamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 21 Nov | Akṣaya NavamīAmla Navami | Navamī covers 154 of 236 minutes of pūrvāhṇa. | Determinate |
| Fri 21 Nov | Durgā Navamī | Navamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Sun 23 Nov | Prabodhinī EkādaśīPāraṇa Mon 24 Nov, 06:06–08:25 | Ekādaśī holds at sunrise. | Determinate |
| Tue 25 Nov | Śukla Pradoṣa Vrata | Trayodaśī covers 38 of 98 minutes of pradoṣa. | Determinate |
| Wed 26 Nov | Rāsayātrā | Pūrṇimā covers 48 of 48 minutes of niśītha. | Determinate |
| Thu 27 Nov | Kārtikī Pūrṇimā | Pūrṇimā covers 2 of 48 minutes of madhyāhna. | Boundary |
| Sun 30 Nov | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
| Mon 8 Dec | Utpannā EkādaśīPāraṇa Tue 9 Dec, 06:11–08:32 | Ekādaśī holds at sunrise. | Determinate |
| Tue 9 Dec | Kṛṣṇa Pradoṣa Vrata | Trayodaśī covers 98 of 98 minutes of pradoṣa. | Determinate |
| Wed 10 Dec | Śivarātri | Caturdaśī covers 48 of 48 minutes of niśītha. | Determinate |
| Tue 16 Dec | Vināyaka Caturthī | Caturthī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 17 Dec | Nāga Pañcamī (Mārgaśīrṣa) | Pañcamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 18 Dec | Campā Ṣaṣṭhī | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Thu 18 Dec | Skanda Ṣaṣṭhī | Ṣaṣṭhī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Fri 19 Dec | Mitra Saptamī | Saptamī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Tue 23 Dec | Mokṣadā EkādaśīPāraṇa Wed 24 Dec, 06:19–07:25 | Ekādaśī holds at sunrise. | Determinate |
| Tue 23 Dec | Akhaṇḍa Dvādaśī | Dvādaśī covers 48 of 48 minutes of madhyāhna. | Determinate |
| Wed 24 Dec | Śukla Pradoṣa Vrata | Trayodaśī covers 98 of 98 minutes of pradoṣa. | Determinate |
| Fri 26 Dec | DattātreyotpattiDatta Jayanti | Pūrṇimā covers 98 of 98 minutes of pradoṣa. | Determinate |
| Mon 29 Dec | Saṅkaṣṭa Caturthī | Caturthī is current at moonrise. | Determinate |
187 rulings under the 108 rules of the current ruleset, 12 of them on a boundary. A festival that is not listed has no rule in the ruleset yet; it is not being ruled out. Each name opens the working. Read the rules
Subscribe once and your calendar keeps Colombo thirteen months ahead, updated as the months turn.