Night of Sunday 9 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Ruling · Rāsayātrā · 2087
Boundaryin Datong, under the Rashtriya Panchang method. A threshold is only 0 min 23 s away. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Sunday 9 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Night of Monday 10 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Pūrṇimā runs from 23:48 on Sun 9 Nov to 20:06 on Mon 10 Nov.
2087-11-09T15:47:36Z → 2087-11-10T12:06:30Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 9th, 23:47–00:35 on the 10th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one night qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 23 s < 300 s
Ruling
Rāsayātrā, Datong, 2087: Sunday 9 November.
confidence: boundary (margin)
In Datong, Rāsayātrā 2087 falls on Sunday 9 November. Pūrṇimā runs from 23:48 on Sun 9 Nov to 20:06 on Mon 10 Nov and covers all of niśītha that night. It is 0 min 23 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 9 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 9 Nov |
| compat-drikpanchang | Comparison profile | Sun 9 Nov |
| No institution has a recorded ruling for Datong. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/rasayatra · ruleset 2026.3-draft
“S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Niśītha 9th | Covered | Niśītha 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 07:48 → 04:06 | 23:13 | 48 min | 23:13 | 0 min | 9 Nov |
| Chicago | 09:48 → 06:06 | 23:11 | 48 min | 23:11 | 0 min | 9 Nov |
| Jersey City | 10:48 → 07:06 | 23:17 | 48 min | 23:17 | 0 min | 9 Nov |
| Port of Spain | 11:48 → 08:06 | 23:26 | 48 min | 23:26 | 0 min | 9 Nov |
| London | 15:48 → 12:06 | 23:21 | 48 min | 23:21 | 0 min | 9 Nov |
| Durban | 17:48 → 14:06 | 23:16 | 48 min | 23:16 | 0 min | 9 Nov |
| Dubai | 19:48 → 16:06 | 23:39 | 48 min | 23:39 | 0 min | 9 Nov |
| Delhi | 21:18 → 17:36 | 23:41 | 48 min | 23:41 | 0 min | 9 Nov |
| Kolkata | 21:18 → 17:36 | 22:57 | 48 min | 22:57 | 0 min | 9 Nov |
| Singapore | 23:48 → 20:06 | 00:25 | 48 min | 00:25 | 0 min | 9 Nov |
| Sydney | 02:48 → 23:06 | 00:15 | 0 min | 00:15 | 0 min | 10 Nov |
| Suva | 03:48 → 00:06 | 23:26 | 0 min | 23:26 | 40 min | 10 Nov |