Ruling · Kokilā Vrata · 1940
Boundaryin Baoding, under the Rashtriya Panchang method. Both late afternoons qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.
Late afternoon of Thursday 18 July
Taken. Both late afternoons qualify; the rule is silent, and this one is covered longer.
102 of 175 minutes covered, the last 102
Late afternoon of Friday 19 July
Qualifies with 69 of 174 minutes. Not taken.
69 of 174 minutes covered, the first 69
Aṅga
Pūrṇimā runs from 18:59 on Thu 18 Jul to 18:55 on Fri 19 Jul.
1940-07-18T09:59:17Z → 1940-07-19T09:55:17Z
Kāla
Sāyāhna is last 3 of 15 day muhūrtas: 17:46–20:41 on the 18th, 17:46–20:40 on the 19th.
sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during sāyāhna. It covers 102 of 175 minutes on the 18th and 69 of 174 on the 19th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 4169 s
Ruling
Kokilā Vrata, Baoding, 1940: Thursday 18 July.
confidence: boundary (tie-break-unstated)
In Baoding, Kokilā Vrata 1940 falls on Thursday 18 July. Pūrṇimā runs from 18:59 on Thu 18 Jul to 18:55 on Fri 19 Jul and covers 102 of 175 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 69 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 18 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 18 Jul |
| compat-drikpanchang | Comparison profile | Thu 18 Jul |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/kokila-vrata · 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 | Sāyāhna 18th | Covered | Sāyāhna 19th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:59 → 01:55 | 16:13 | 170 min | 16:13 | 0 min | 18 Jul |
| Chicago | 04:59 → 04:55 | 17:24 | 178 min | 17:23 | 0 min | 18 Jul |
| Jersey City | 05:59 → 05:55 | 17:27 | 177 min | 17:27 | 0 min | 18 Jul |
| Port of Spain | 05:59 → 05:55 | 16:00 | 152 min | 16:00 | 0 min | 18 Jul |
| London | 10:59 → 10:55 | 17:55 | 193 min | 17:55 | 0 min | 18 Jul |
| Durban | 11:59 → 11:55 | 15:10 | 125 min | 15:10 | 0 min | 18 Jul |
| Dubai | 13:59 → 13:55 | 16:28 | 162 min | 16:28 | 0 min | 18 Jul |
| Delhi | 15:29 → 15:25 | 16:34 | 165 min | 16:34 | 0 min | 18 Jul |
| Kolkata | 15:29 → 15:25 | 15:43 | 160 min | 15:43 | 0 min | 18 Jul |
| Singapore | 17:19 → 17:15 | 16:10 | 77 min | 16:10 | 65 min | 18 Jul |
| Sydney | 19:59 → 19:55 | 15:04 | 0 min | 15:04 | 122 min | 19 Jul |
| Suva | 21:59 → 21:55 | 15:33 | 0 min | 15:33 | 134 min | 19 Jul |