Evening of Saturday 14 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
75 of 75 minutes covered
Ruling · Śiva Śayanotsava · 1973
Boundaryin Baoding, under the Rashtriya Panchang method. Both evenings qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Saturday 14 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
75 of 75 minutes covered
Evening of Sunday 15 July
Qualifies with 13 of 75 minutes. Not taken.
13 of 75 minutes covered, the first 13
Aṅga
Pūrṇimā runs from 17:38 on Sat 14 Jul to 19:56 on Sun 15 Jul.
1973-07-14T09:38:09Z → 1973-07-15T11:55:53Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:43–20:58 on the 14th, 19:43–20:58 on the 15th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 75 of 75 minutes on the 14th and 13 of 75 on the 15th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 792 s
Ruling
Śiva Śayanotsava, Baoding, 1973: Saturday 14 July.
confidence: boundary (tie-break-unstated)
In Baoding, Śiva Śayanotsava 1973 falls on Saturday 14 July. Pūrṇimā runs from 17:38 on Sat 14 Jul to 19:56 on Sun 15 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 13 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 14 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 14 Jul |
| compat-drikpanchang | Comparison profile | Sat 14 Jul |
| No institution has a recorded ruling for Baoding. | ||
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 14th | Covered | Sunset 15th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 02:38 → 04:56 | 20:05 | 78 min | 20:05 | 0 min | 14 Jul |
| Chicago | 04:38 → 06:56 | 20:24 | 73 min | 20:24 | 0 min | 14 Jul |
| Jersey City | 05:38 → 07:56 | 20:27 | 74 min | 20:26 | 0 min | 14 Jul |
| Port of Spain | 05:38 → 07:56 | 18:32 | 91 min | 18:32 | 0 min | 14 Jul |
| London | 10:38 → 12:56 | 21:12 | 63 min | 21:11 | 0 min | 14 Jul |
| Durban | 11:38 → 13:56 | 17:13 | 109 min | 17:13 | 0 min | 14 Jul |
| Dubai | 13:38 → 15:56 | 19:11 | 84 min | 19:11 | 0 min | 14 Jul |
| Delhi | 15:08 → 17:26 | 19:21 | 82 min | 19:21 | 0 min | 14 Jul |
| Kolkata | 15:08 → 17:26 | 18:24 | 85 min | 18:24 | 0 min | 14 Jul |
| Singapore | 17:08 → 19:26 | 18:46 | 95 min | 18:46 | 40 min | 14 Jul |
| Sydney | 19:38 → 21:56 | 17:03 | 0 min | 17:04 | 111 min | 15 Jul |
| Suva | 21:38 → 23:56 | 17:46 | 0 min | 17:46 | 103 min | 15 Jul |