Dawn of Sunday 19 October
Caturdaśī is absent from aruṇodaya. Not taken.
04:46 aruṇodaya beginssunrise 06:26
04:2204:4605:1005:3405:5806:2206:46
0 of 100 minutes covered
Ruling · Naraka Caturdaśī (Choti Diwali) · 2025
Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 446 minutes.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Sunday 19 October
Caturdaśī is absent from aruṇodaya. Not taken.
0 of 100 minutes covered
Dawn of Monday 20 October
Taken. The only dawn Caturdaśī reaches.
100 of 100 minutes covered
Aṅga
Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct.
2025-10-19T08:22:10Z → 2025-10-20T10:15:27Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 04:46–06:26 on the 19th, 04:46–06:26 on the 20th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 0 of 100 minutes on the 19th and 100 of 100 on the 20th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one dawn qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 26784 s
Ruling
Naraka Caturdaśī, Ujjain, 2025: Monday 20 October.
confidence: determinate
In Ujjain, Naraka Caturdaśī (Choti Diwali) 2025 falls on Monday 20 October. Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct and covers all of aruṇodaya that dawn.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 20 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 20 Oct |
| compat-drikpanchang | Comparison profile | Mon 20 Oct |
| Rashtriya Panchang | Principal festivals, 2025-26 | Mon 20 Oct |
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/naraka-chaturdashi · ruleset 2026.3-draft
“K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Caturdaśī | Aruṇodaya 19th | Covered | Aruṇodaya 20th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:22 → 03:15 | 05:20 | 102 min | 05:20 | 0 min | 19 Oct |
| Chicago | 03:22 → 05:15 | 05:24 | 105 min | 05:24 | 0 min | 19 Oct |
| Jersey City | 04:22 → 06:15 | 05:28 | 104 min | 05:29 | 46 min | 19 Oct |
| Port of Spain | 04:22 → 06:15 | 04:18 | 93 min | 04:18 | 97 min | 19 Oct |
| London | 09:22 → 11:15 | 05:44 | 0 min | 05:45 | 109 min | 20 Oct |
| Durban | 10:22 → 12:15 | 03:45 | 0 min | 03:44 | 89 min | 20 Oct |
| Dubai | 12:22 → 14:15 | 04:39 | 0 min | 04:39 | 100 min | 20 Oct |
| Delhi | 13:52 → 15:45 | 04:44 | 0 min | 04:44 | 101 min | 20 Oct |
| Kolkata | 13:52 → 15:45 | 03:55 | 0 min | 03:56 | 100 min | 20 Oct |
| Singapore | 16:22 → 18:15 | 05:12 | 0 min | 05:12 | 95 min | 20 Oct |
| Sydney | 19:22 → 21:15 | 04:42 | 0 min | 04:41 | 88 min | 20 Oct |
| Suva | 20:22 → 22:15 | 04:03 | 0 min | 04:03 | 92 min | 20 Oct |