Evening of Thursday 21 July
Qualifies with 22 of 76 minutes. Not taken.
19:39 sunsetpradoṣa ends 20:55
Pūrṇimā begins 20:33:29
19:1519:3920:0320:2720:5121:1521:39
22 of 76 minutes covered, the last 22
Ruling · Śiva Śayanotsava · 2089
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 21 July
Qualifies with 22 of 76 minutes. Not taken.
22 of 76 minutes covered, the last 22
Evening of Friday 22 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
77 of 77 minutes covered
Aṅga
Pūrṇimā runs from 20:33 on Thu 21 Jul to 22:51 on Fri 22 Jul.
2089-07-21T12:33:29Z → 2089-07-22T14:51:18Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:39–20:55 on the 21st, 19:38–20:55 on the 22nd.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 22 of 76 minutes on the 21st and 77 of 77 on the 22nd.
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 1299 s
Ruling
Śiva Śayanotsava, Baoding, 2089: Friday 22 July.
confidence: boundary (tie-break-unstated)
In Baoding, Śiva Śayanotsava 2089 falls on Friday 22 July. Pūrṇimā runs from 20:33 on Thu 21 Jul to 22:51 on Fri 22 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 22 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 | Fri 22 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 22 Jul |
| compat-drikpanchang | Comparison profile | Fri 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 21st | Covered | Sunset 22nd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:33 → 07:51 | 20:01 | 80 min | 20:01 | 0 min | 21 Jul |
| Chicago | 07:33 → 09:51 | 20:19 | 74 min | 20:18 | 0 min | 21 Jul |
| Jersey City | 08:33 → 10:51 | 20:22 | 75 min | 20:21 | 0 min | 21 Jul |
| Port of Spain | 08:33 → 10:51 | 18:32 | 91 min | 18:32 | 0 min | 21 Jul |
| London | 13:33 → 15:51 | 21:04 | 65 min | 21:02 | 0 min | 21 Jul |
| Durban | 14:33 → 16:51 | 17:18 | 108 min | 17:18 | 0 min | 21 Jul |
| Dubai | 16:33 → 18:51 | 19:09 | 84 min | 19:09 | 0 min | 21 Jul |
| Delhi | 18:03 → 20:21 | 19:18 | 83 min | 19:18 | 63 min | 21 Jul |
| Kolkata | 18:03 → 20:21 | 18:22 | 86 min | 18:22 | 86 min | 22 Jul |
| Singapore | 20:33 → 22:51 | 19:17 | 18 min | 19:17 | 95 min | 22 Jul |
| Sydney | 22:33 → 00:51 | 17:09 | 0 min | 17:09 | 110 min | 22 Jul |
| Suva | 00:33 → 02:51 | 17:49 | 0 min | 17:49 | 102 min | 22 Jul |