Evening of Wednesday 30 June
Taken. The only evening Pūrṇimā reaches.
66 of 66 minutes covered
Ruling · Śiva Śayanotsava · 1920
Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 176 minutes.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Wednesday 30 June
Taken. The only evening Pūrṇimā reaches.
66 of 66 minutes covered
Evening of Thursday 1 July
Pūrṇimā is absent from pradoṣa. Not taken.
0 of 66 minutes covered
Aṅga
Pūrṇimā runs from 14:15 on Wed 30 Jun to 16:40 on Thu 1 Jul.
1920-06-30T06:14:56Z → 1920-07-01T08:40:20Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:37–20:42 on the 30th, 19:36–20:42 on the 1st.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 66 of 66 minutes on the 30th and 0 of 66 on the 1st.
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 10567 s
Ruling
Śiva Śayanotsava, Daqing, 1920: Wednesday 30 June.
confidence: determinate
In Daqing, Śiva Śayanotsava 1920 falls on Wednesday 30 June. Pūrṇimā runs from 14:15 on Wed 30 Jun to 16:40 on Thu 1 Jul and covers all of pradoṣa that evening.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 30 Jun |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 30 Jun |
| compat-drikpanchang | Comparison profile | Wed 30 Jun |
| 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 30th | Covered | Sunset 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 22:15 → 00:40 | 19:08 | 77 min | 19:08 | 0 min | 30 Jun |
| Chicago | 01:15 → 03:40 | 20:29 | 71 min | 20:29 | 0 min | 30 Jun |
| Jersey City | 02:15 → 04:40 | 20:31 | 72 min | 20:31 | 0 min | 30 Jun |
| Port of Spain | 02:15 → 04:40 | 18:31 | 90 min | 18:32 | 0 min | 30 Jun |
| London | 07:15 → 09:40 | 21:21 | 60 min | 21:20 | 0 min | 30 Jun |
| Durban | 08:15 → 10:40 | 17:06 | 110 min | 17:07 | 0 min | 30 Jun |
| Dubai | 10:15 → 12:40 | 19:12 | 83 min | 19:12 | 0 min | 30 Jun |
| Delhi | 11:45 → 14:10 | 19:23 | 81 min | 19:23 | 0 min | 30 Jun |
| Kolkata | 11:45 → 14:10 | 18:25 | 84 min | 18:25 | 0 min | 30 Jun |
| Singapore | 13:15 → 15:40 | 18:14 | 95 min | 18:14 | 0 min | 30 Jun |
| Sydney | 16:15 → 18:40 | 16:56 | 113 min | 16:56 | 104 min | 30 Jun |
| Suva | 18:15 → 20:40 | 17:41 | 70 min | 17:41 | 104 min | 1 Jul |