Night of Tuesday 31 October
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Ruling · Rāsayātrā · 2028
Boundaryin Phoenix, under the Rashtriya Panchang method. A threshold is only 2 min 23 s away. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Tuesday 31 October
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Wednesday 1 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Aṅga
Pūrṇimā runs from 00:39 on Wed 1 Nov to 02:17 on Thu 2 Nov.
2028-11-01T07:38:31Z → 2028-11-02T09:17:22Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 31st, 23:48–00:36 on the 1st.
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 31st and 48 of 48 on the 1st.
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 143 s < 300 s
Ruling
Rāsayātrā, Phoenix, 2028: Wednesday 1 November.
confidence: boundary (margin)
In Phoenix, Rāsayātrā 2028 falls on Wednesday 1 November. Pūrṇimā runs from 00:39 on Wed 1 Nov to 02:17 on Thu 2 Nov and covers all of niśītha that night. It is 2 min 23 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 1 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 1 Nov |
| compat-drikpanchang | Comparison profile | Wed 1 Nov |
| No institution has a recorded ruling for Phoenix. | ||
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 1st | Covered | Niśītha 2nd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:39 → 02:17 | 00:13 | 48 min | 00:13 | 0 min | 1 Nov |
| Chicago | 02:39 → 04:17 | 00:11 | 48 min | 00:11 | 0 min | 1 Nov |
| Jersey City | 03:39 → 05:17 | 00:16 | 48 min | 00:16 | 0 min | 1 Nov |
| Port of Spain | 03:39 → 05:17 | 23:26 | 48 min | 23:26 | 0 min | 1 Nov |
| London | 07:39 → 09:17 | 23:21 | 48 min | 23:21 | 0 min | 1 Nov |
| Durban | 09:39 → 11:17 | 23:15 | 48 min | 23:15 | 0 min | 1 Nov |
| Dubai | 11:39 → 13:17 | 23:39 | 48 min | 23:38 | 0 min | 1 Nov |
| Delhi | 13:09 → 14:47 | 23:41 | 48 min | 23:41 | 0 min | 1 Nov |
| Kolkata | 13:09 → 14:47 | 22:56 | 48 min | 22:56 | 0 min | 1 Nov |
| Singapore | 15:39 → 17:17 | 00:24 | 48 min | 00:24 | 0 min | 1 Nov |
| Sydney | 18:39 → 20:17 | 00:15 | 48 min | 00:15 | 0 min | 1 Nov |
| Suva | 19:39 → 21:17 | 23:26 | 48 min | 23:26 | 0 min | 1 Nov |