Night of Monday 28 November
Taken. The only night Pūrṇimā reaches.
niśītha begins 23:17 00:05 niśītha ends
Pūrṇimā begins 23:18:43
22:2922:5323:1723:4100:0500:2900:53
46 of 48 minutes covered, the last 46
Ruling · Rāsayātrā · 1955
Boundaryin Riyadh, under the Rashtriya Panchang method. A threshold is only 1 min 36 s away. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 28 November
Taken. The only night Pūrṇimā reaches.
46 of 48 minutes covered, the last 46
Night of Tuesday 29 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov.
1955-11-28T20:18:44Z → 1955-11-29T16:49:49Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:17–00:05 on the 28th, 23:17–00:05 on the 29th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during niśītha. It covers 46 of 48 minutes on the 28th and 0 of 48 on the 29th.
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 96 s < 300 s
Ruling
Rāsayātrā, Riyadh, 1955: Monday 28 November.
confidence: boundary (margin)
In Riyadh, Rāsayātrā 1955 falls on Monday 28 November. Pūrṇimā runs from 23:19 on Mon 28 Nov to 19:50 on Tue 29 Nov and covers 46 of 48 minutes of niśītha that night. It is 1 min 36 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 28 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 28 Nov |
| compat-drikpanchang | Comparison profile | Mon 28 Nov |
| No institution has a recorded ruling for Riyadh. | ||
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 28th | Covered | Niśītha 29th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:19 → 08:50 | 23:17 | 48 min | 23:18 | 0 min | 28 Nov |
| Chicago | 14:19 → 10:50 | 23:15 | 48 min | 23:15 | 0 min | 28 Nov |
| Jersey City | 15:19 → 11:50 | 23:21 | 48 min | 23:21 | 0 min | 28 Nov |
| Port of Spain | 16:19 → 12:50 | 23:30 | 48 min | 23:30 | 0 min | 28 Nov |
| London | 20:19 → 16:50 | 23:25 | 48 min | 23:25 | 0 min | 28 Nov |
| Durban | 22:19 → 18:50 | 23:20 | 48 min | 23:20 | 0 min | 28 Nov |
| Dubai | 00:19 → 20:50 | 23:43 | 12 min | 23:43 | 0 min | 28 Nov |
| Delhi | 01:49 → 22:20 | 23:45 | 0 min | 23:45 | 0 min | 29 Nov |
| Kolkata | 01:49 → 22:20 | 23:01 | 0 min | 23:01 | 0 min | 29 Nov |
| Singapore | 03:49 → 00:20 | 23:58 | 0 min | 23:59 | 21 min | 29 Nov |
| Sydney | 06:19 → 02:50 | 23:19 | 0 min | 23:19 | 48 min | 29 Nov |
| Suva | 08:19 → 04:50 | 23:30 | 0 min | 23:30 | 48 min | 29 Nov |