Evening of Tuesday 28 July
Qualifies with 2 of 78 minutes. Not taken.
19:33 sunsetpradoṣa ends 20:51
Pūrṇimā begins 20:49:27
19:0919:3319:5720:2120:4521:0921:33
2 of 78 minutes covered, the last 2
Ruling · Śiva Śayanotsava · 2026
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 Tuesday 28 July
Qualifies with 2 of 78 minutes. Not taken.
2 of 78 minutes covered, the last 2
Evening of Wednesday 29 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
78 of 78 minutes covered
Aṅga
Pūrṇimā runs from 20:49 on Tue 28 Jul to 22:36 on Wed 29 Jul.
2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:33–20:51 on the 28th, 19:32–20:50 on the 29th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 2 of 78 minutes on the 28th and 78 of 78 on the 29th.
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 93 s < 300 s
Ruling
Śiva Śayanotsava, Baoding, 2026: Wednesday 29 July.
confidence: boundary (margin, tie-break-unstated)
In Baoding, Śiva Śayanotsava 2026 falls on Wednesday 29 July. Pūrṇimā runs from 20:49 on Tue 28 Jul to 22:36 on Wed 29 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 33 s from a threshold: 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 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 28th | Covered | Sunset 29th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:49 → 07:36 | 19:57 | 81 min | 19:56 | 0 min | 28 Jul |
| Chicago | 07:49 → 09:36 | 20:13 | 76 min | 20:12 | 0 min | 28 Jul |
| Jersey City | 08:49 → 10:36 | 20:16 | 77 min | 20:15 | 0 min | 28 Jul |
| Port of Spain | 08:49 → 10:36 | 18:31 | 91 min | 18:30 | 0 min | 28 Jul |
| London | 13:49 → 15:36 | 20:55 | 67 min | 20:53 | 0 min | 28 Jul |
| Durban | 14:49 → 16:36 | 17:21 | 107 min | 17:22 | 0 min | 28 Jul |
| Dubai | 16:49 → 18:36 | 19:06 | 85 min | 19:05 | 0 min | 28 Jul |
| Delhi | 18:19 → 20:06 | 19:15 | 84 min | 19:14 | 52 min | 28 Jul |
| Kolkata | 18:19 → 20:06 | 18:19 | 86 min | 18:19 | 86 min | 29 Jul |
| Singapore | 20:49 → 22:36 | 19:16 | 1 min | 19:16 | 95 min | 29 Jul |
| Sydney | 22:49 → 00:36 | 17:12 | 0 min | 17:13 | 109 min | 29 Jul |
| Suva | 00:49 → 02:36 | 17:50 | 0 min | 17:51 | 102 min | 29 Jul |