Night of Monday 15 November
Pūrṇimā is absent from niśītha. Not taken.
niśītha begins 23:43 00:31 niśītha ends
Pūrṇimā begins 00:32:30
22:5523:1923:4300:0700:3100:5501:19
0 of 48 minutes covered
Ruling · Rāsayātrā · 1948
Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 1 min 00 s away. Say “contested”.
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 Monday 15 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Tuesday 16 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Aṅga
Pūrṇimā runs from 00:33 on Tue 16 Nov to 01:01 on Wed 17 Nov.
1948-11-15T18:02:30Z → 1948-11-16T18:31:22Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 15th, 23:44–00:32 on the 16th.
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 15th and 48 of 48 on the 16th.
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 60 s < 300 s
Ruling
Rāsayātrā, Chattogram, 1948: Tuesday 16 November.
confidence: boundary (margin)
In Chattogram, Rāsayātrā 1948 falls on Tuesday 16 November. Pūrṇimā runs from 00:33 on Tue 16 Nov to 01:01 on Wed 17 Nov and covers all of niśītha that night. It is 1 min 00 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 16 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 16 Nov |
| compat-drikpanchang | Comparison profile | Tue 16 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 15th | Covered | Niśītha 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 11:03 → 11:31 | 00:14 | 48 min | 00:14 | 0 min | 15 Nov |
| Chicago | 12:03 → 12:31 | 23:12 | 48 min | 23:12 | 0 min | 15 Nov |
| Jersey City | 13:03 → 13:31 | 23:17 | 48 min | 23:18 | 0 min | 15 Nov |
| Port of Spain | 14:03 → 14:31 | 23:27 | 48 min | 23:27 | 0 min | 15 Nov |
| London | 18:03 → 18:31 | 23:22 | 48 min | 23:22 | 0 min | 15 Nov |
| Durban | 20:03 → 20:31 | 23:16 | 48 min | 23:17 | 0 min | 15 Nov |
| Dubai | 22:03 → 22:31 | 23:40 | 48 min | 23:40 | 0 min | 15 Nov |
| Delhi | 23:33 → 00:01 | 23:42 | 48 min | 23:42 | 19 min | 16 Nov |
| Kolkata | 23:33 → 00:01 | 22:57 | 13 min | 22:58 | 48 min | 16 Nov |
| Singapore | 01:33 → 02:01 | 23:55 | 0 min | 23:55 | 48 min | 16 Nov |
| Sydney | 04:03 → 04:31 | 23:16 | 0 min | 23:16 | 48 min | 16 Nov |
| Suva | 06:03 → 06:31 | 23:27 | 0 min | 23:27 | 48 min | 16 Nov |