Evening of Saturday 19 July
Taken. The only evening Pūrṇimā reaches.
sunset 19:26 20:36 pradoṣa ends
18:3819:0219:2619:5020:1420:3821:0221:26
69 of 69 minutes covered
Ruling · Śiva Śayanotsava · 1997
Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 311 minutes.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Saturday 19 July
Taken. The only evening Pūrṇimā reaches.
69 of 69 minutes covered
Evening of Sunday 20 July
Pūrṇimā is absent from pradoṣa. Not taken.
0 of 70 minutes covered
Aṅga
Pūrṇimā runs from 14:15 on Sat 19 Jul to 11:20 on Sun 20 Jul.
1997-07-19T06:15:25Z → 1997-07-20T03:20:17Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:26–20:36 on the 19th, 19:25–20:35 on the 20th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 69 of 69 minutes on the 19th and 0 of 70 on the 20th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Only one evening qualifies. No tie-break is needed.
priority: unstated → only-day · margin 18648 s
Ruling
Śiva Śayanotsava, Daqing, 1997: Saturday 19 July.
confidence: determinate
In Daqing, Śiva Śayanotsava 1997 falls on Saturday 19 July. Pūrṇimā runs from 14:15 on Sat 19 Jul to 11:20 on Sun 20 Jul and covers all of pradoṣa that evening.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 19 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 19 Jul |
| compat-drikpanchang | Comparison profile | Sat 19 Jul |
| No institution has a recorded ruling for Daqing. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/shiva-shayanotsava · ruleset 2026.3-draft
“S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Sunset 19th | Covered | Sunset 20th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:15 → 20:20 | 20:03 | 18 min | 20:02 | 0 min | 19 Jul |
| Chicago | 01:15 → 22:20 | 20:21 | 74 min | 20:20 | 0 min | 19 Jul |
| Jersey City | 02:15 → 23:20 | 20:23 | 75 min | 20:22 | 0 min | 19 Jul |
| Port of Spain | 02:15 → 23:20 | 18:32 | 91 min | 18:32 | 0 min | 19 Jul |
| London | 07:15 → 04:20 | 21:07 | 64 min | 21:05 | 0 min | 19 Jul |
| Durban | 08:15 → 05:20 | 17:16 | 108 min | 17:16 | 0 min | 19 Jul |
| Dubai | 10:15 → 07:20 | 19:10 | 84 min | 19:09 | 0 min | 19 Jul |
| Delhi | 11:45 → 08:50 | 19:19 | 82 min | 19:19 | 0 min | 19 Jul |
| Kolkata | 11:45 → 08:50 | 18:23 | 85 min | 18:22 | 0 min | 19 Jul |
| Singapore | 14:15 → 11:20 | 19:16 | 95 min | 19:16 | 0 min | 19 Jul |
| Sydney | 16:15 → 13:20 | 17:06 | 111 min | 17:07 | 0 min | 19 Jul |
| Suva | 18:15 → 15:20 | 17:47 | 75 min | 17:48 | 0 min | 19 Jul |