Evening of Sunday 29 July
Qualifies with 4 of 78 minutes. Not taken.
19:32 sunsetpradoṣa ends 20:51
Pūrṇimā begins 20:46:03
19:0819:3219:5620:2020:4421:0821:32
4 of 78 minutes covered, the last 4
Ruling · Śiva Śayanotsava · 2091
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 Sunday 29 July
Qualifies with 4 of 78 minutes. Not taken.
4 of 78 minutes covered, the last 4
Evening of Monday 30 July
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
31 of 78 minutes covered, the first 31
Aṅga
Pūrṇimā runs from 20:46 on Sun 29 Jul to 20:03 on Mon 30 Jul.
2091-07-29T12:46:04Z → 2091-07-30T12:02:52Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 19:32–20:51 on the 29th, 19:31–20:50 on the 30th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 4 of 78 minutes on the 29th and 31 of 78 on the 30th.
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 268 s < 300 s
Ruling
Śiva Śayanotsava, Baoding, 2091: Monday 30 July.
confidence: boundary (margin, tie-break-unstated)
In Baoding, Śiva Śayanotsava 2091 falls on Monday 30 July. Pūrṇimā runs from 20:46 on Sun 29 Jul to 20:03 on Mon 30 Jul and covers 31 of 78 minutes of pradoṣa that evening. It also reaches the previous evening for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 28 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 30 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 30 Jul |
| compat-drikpanchang | Comparison profile | Sun 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 29th | Covered | Sunset 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:46 → 05:03 | 19:56 | 81 min | 19:55 | 0 min | 29 Jul |
| Chicago | 07:46 → 07:03 | 20:12 | 76 min | 20:11 | 0 min | 29 Jul |
| Jersey City | 08:46 → 08:03 | 20:15 | 77 min | 20:14 | 0 min | 29 Jul |
| Port of Spain | 08:46 → 08:03 | 18:31 | 91 min | 18:31 | 0 min | 29 Jul |
| London | 13:46 → 13:03 | 20:53 | 68 min | 20:51 | 0 min | 29 Jul |
| Durban | 14:46 → 14:03 | 17:22 | 107 min | 17:23 | 0 min | 29 Jul |
| Dubai | 16:46 → 16:03 | 19:06 | 85 min | 19:05 | 0 min | 29 Jul |
| Delhi | 18:16 → 17:33 | 19:14 | 84 min | 19:14 | 0 min | 29 Jul |
| Kolkata | 18:16 → 17:33 | 18:19 | 86 min | 18:19 | 0 min | 29 Jul |
| Singapore | 20:46 → 20:03 | 19:17 | 5 min | 19:16 | 46 min | 30 Jul |
| Sydney | 22:46 → 22:03 | 17:14 | 0 min | 17:15 | 109 min | 30 Jul |
| Suva | 00:46 → 00:03 | 17:51 | 0 min | 17:52 | 102 min | 30 Jul |