Evening of Thursday 22 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
19:38 sunsetpradoṣa ends 20:55
Pūrṇimā begins 19:43:58
19:1419:3820:0220:2620:5021:1421:38
71 of 76 minutes covered, the last 71
Ruling · Śiva Śayanotsava · 1937
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 Thursday 22 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
71 of 76 minutes covered, the last 71
Evening of Friday 23 July
Qualifies with 68 of 77 minutes. Not taken.
68 of 77 minutes covered, the first 68
Aṅga
Pūrṇimā runs from 19:44 on Thu 22 Jul to 20:45 on Fri 23 Jul.
1937-07-22T11:43:58Z → 1937-07-23T12:45:29Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:38–20:55 on the 22nd, 19:38–20:54 on the 23rd.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 71 of 76 minutes on the 22nd and 68 of 77 on the 23rd.
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 335 s
Ruling
Śiva Śayanotsava, Baoding, 1937: Thursday 22 July.
confidence: boundary (tie-break-unstated)
In Baoding, Śiva Śayanotsava 1937 falls on Thursday 22 July. Pūrṇimā runs from 19:44 on Thu 22 Jul to 20:45 on Fri 23 Jul and covers 71 of 76 minutes of pradoṣa that evening. It also reaches the next evening for 68 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 | Thu 22 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 23 Jul |
| compat-drikpanchang | Comparison profile | Thu 22 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 22nd | Covered | Sunset 23rd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 03:44 → 04:45 | 19:01 | 80 min | 19:00 | 0 min | 22 Jul |
| Chicago | 06:44 → 07:45 | 20:19 | 74 min | 20:18 | 0 min | 22 Jul |
| Jersey City | 07:44 → 08:45 | 20:21 | 75 min | 20:20 | 0 min | 22 Jul |
| Port of Spain | 07:44 → 08:45 | 18:32 | 91 min | 18:32 | 0 min | 22 Jul |
| London | 12:44 → 13:45 | 21:03 | 65 min | 21:02 | 0 min | 22 Jul |
| Durban | 13:44 → 14:45 | 17:17 | 108 min | 17:18 | 0 min | 22 Jul |
| Dubai | 15:44 → 16:45 | 19:09 | 84 min | 19:08 | 0 min | 22 Jul |
| Delhi | 17:14 → 18:15 | 19:18 | 83 min | 19:17 | 0 min | 22 Jul |
| Kolkata | 17:14 → 18:15 | 18:22 | 86 min | 18:22 | 0 min | 22 Jul |
| Singapore | 19:04 → 20:05 | 18:36 | 67 min | 18:36 | 89 min | 23 Jul |
| Sydney | 21:44 → 22:45 | 17:08 | 0 min | 17:09 | 110 min | 23 Jul |
| Suva | 23:44 → 00:45 | 17:48 | 0 min | 17:48 | 102 min | 23 Jul |