Night of Thursday 27 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Ruling · Rāsayātrā · 2031
Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 259 minutes.
Decide it for
22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Thursday 27 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Friday 28 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Aṅga
Pūrṇimā runs from 04:23 on Fri 28 Nov to 05:18 on Sat 29 Nov.
2031-11-27T22:23:18Z → 2031-11-28T23:18:29Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 27th, 23:17–00:05 on the 28th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.
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 15536 s
Ruling
Rāsayātrā, Chattogram, 2031: Friday 28 November.
confidence: determinate
In Chattogram, Rāsayātrā 2031 falls on Friday 28 November. Pūrṇimā runs from 04:23 on Fri 28 Nov to 05:18 on Sat 29 Nov and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 28 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 28 Nov |
| compat-drikpanchang | Comparison profile | Fri 28 Nov |
| No institution has a recorded ruling for Chattogram. | ||
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 27th | Covered | Niśītha 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 14:23 → 15:18 | 23:17 | 48 min | 23:17 | 0 min | 27 Nov |
| Chicago | 16:23 → 17:18 | 23:15 | 48 min | 23:15 | 0 min | 27 Nov |
| Jersey City | 17:23 → 18:18 | 23:20 | 48 min | 23:21 | 0 min | 27 Nov |
| Port of Spain | 18:23 → 19:18 | 23:30 | 48 min | 23:30 | 0 min | 27 Nov |
| London | 22:23 → 23:18 | 23:25 | 48 min | 23:25 | 0 min | 27 Nov |
| Durban | 00:23 → 01:18 | 23:19 | 0 min | 23:20 | 48 min | 28 Nov |
| Dubai | 02:23 → 03:18 | 23:43 | 0 min | 23:43 | 48 min | 28 Nov |
| Delhi | 03:53 → 04:48 | 23:45 | 0 min | 23:45 | 48 min | 28 Nov |
| Kolkata | 03:53 → 04:48 | 23:00 | 0 min | 23:01 | 48 min | 28 Nov |
| Singapore | 06:23 → 07:18 | 00:28 | 0 min | 00:29 | 48 min | 28 Nov |
| Sydney | 09:23 → 10:18 | 00:19 | 0 min | 00:19 | 48 min | 28 Nov |
| Suva | 10:23 → 11:18 | 23:30 | 0 min | 23:30 | 48 min | 28 Nov |