Late afternoon of Tuesday 28 July
Qualifies with 51 of 159 minutes. Not taken.
16:32 sāyāhna beginssunset 19:11
Pūrṇimā begins 18:19:27
16:0816:3216:5617:2017:4418:0818:3218:5619:2019:44
51 of 159 minutes covered, the last 51
Ruling · Kokilā Vrata · 2026
Boundaryin Ujjain, 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 Tuesday 28 July
Qualifies with 51 of 159 minutes. Not taken.
51 of 159 minutes covered, the last 51
Late afternoon of Wednesday 29 July
Taken. Both late afternoons qualify; the rule is silent, and this one is covered longer.
159 of 159 minutes covered
Aṅga
Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul.
2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z
Kāla
Sāyāhna is last 3 of 15 day muhūrtas: 16:32–19:11 on the 28th, 16:31–19:10 on the 29th.
sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during sāyāhna. It covers 51 of 159 minutes on the 28th and 159 of 159 on the 29th.
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 3078 s
Ruling
Kokilā Vrata, Ujjain, 2026: Wednesday 29 July.
confidence: boundary (tie-break-unstated)
In Ujjain, Kokilā Vrata 2026 falls on Wednesday 29 July. Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 51 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 | Wed 29 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 29 Jul |
| compat-drikpanchang | Comparison profile | Wed 29 Jul |
| No institution has a recorded ruling for Ujjain. | ||
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 28th | Covered | Sāyāhna 29th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:49 → 07:36 | 17:10 | 167 min | 17:09 | 0 min | 28 Jul |
| Chicago | 07:49 → 09:36 | 17:18 | 174 min | 17:18 | 0 min | 28 Jul |
| Jersey City | 08:49 → 10:36 | 17:22 | 173 min | 17:22 | 0 min | 28 Jul |
| Port of Spain | 08:49 → 10:36 | 15:59 | 151 min | 15:59 | 0 min | 28 Jul |
| London | 13:49 → 15:36 | 17:47 | 187 min | 17:46 | 0 min | 28 Jul |
| Durban | 14:49 → 16:36 | 15:14 | 127 min | 15:14 | 82 min | 28 Jul |
| Dubai | 16:49 → 18:36 | 16:26 | 136 min | 16:25 | 130 min | 28 Jul |
| Delhi | 18:19 → 20:06 | 16:32 | 55 min | 16:31 | 163 min | 29 Jul |
| Kolkata | 18:19 → 20:06 | 15:41 | 0 min | 15:41 | 158 min | 29 Jul |
| Singapore | 20:49 → 22:36 | 16:50 | 0 min | 16:50 | 146 min | 29 Jul |
| Sydney | 22:49 → 00:36 | 15:08 | 0 min | 15:09 | 125 min | 29 Jul |
| Suva | 00:49 → 02:36 | 15:35 | 0 min | 15:36 | 135 min | 29 Jul |