Night of Monday 23 November
Taken. The only night Pūrṇimā reaches.
4 of 48 minutes covered, the last 4
Ruling · Rāsayātrā · 2026
Boundaryin Kolkata, under the Rashtriya Panchang method. A threshold is only 4 min 11 s away. Say “contested”.
Decide it for
22°34′ N 88°22′ E · Asia/Kolkata · GeoNames 1275004
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 23 November
Taken. The only night Pūrṇimā reaches.
4 of 48 minutes covered, the last 4
Night of Tuesday 24 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov.
2026-11-23T18:12:56Z → 2026-11-24T14:53:34Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 22:59–23:47 on the 23rd, 22:59–23:47 on the 24th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during niśītha. It covers 4 of 48 minutes on the 23rd and 0 of 48 on the 24th.
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 251 s < 300 s
Ruling
Rāsayātrā, Kolkata, 2026: Monday 23 November.
confidence: boundary (margin)
In Kolkata, Rāsayātrā 2026 falls on Monday 23 November. Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov and covers 4 of 48 minutes of niśītha that night. It is 4 min 11 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 23 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 23 Nov |
| compat-drikpanchang | Comparison profile | Mon 23 Nov |
| Rashtriya Panchang | Monthly list, November 2026 | Mon 23 Nov |
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 23rd | Covered | Niśītha 24th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 10:13 → 06:54 | 23:16 | 48 min | 23:16 | 0 min | 23 Nov |
| Chicago | 12:13 → 08:54 | 23:13 | 48 min | 23:14 | 0 min | 23 Nov |
| Jersey City | 13:13 → 09:54 | 23:19 | 48 min | 23:19 | 0 min | 23 Nov |
| Port of Spain | 14:13 → 10:54 | 23:29 | 48 min | 23:29 | 0 min | 23 Nov |
| London | 18:13 → 14:54 | 23:23 | 48 min | 23:24 | 0 min | 23 Nov |
| Durban | 20:13 → 16:54 | 23:18 | 48 min | 23:19 | 0 min | 23 Nov |
| Dubai | 22:13 → 18:54 | 23:41 | 48 min | 23:42 | 0 min | 23 Nov |
| Delhi | 23:43 → 20:24 | 23:44 | 48 min | 23:44 | 0 min | 23 Nov |
| Kolkata | 23:43 → 20:24 | 22:59 | 4 min | 22:59 | 0 min | 23 Nov |
| Singapore | 02:13 → 22:54 | 00:27 | 0 min | 00:27 | 0 min | 24 Nov |
| Sydney | 05:13 → 01:54 | 00:17 | 0 min | 00:18 | 48 min | 24 Nov |
| Suva | 06:13 → 02:54 | 23:29 | 0 min | 23:29 | 48 min | 24 Nov |