Night of Friday 12 November
Taken. The only night Pūrṇimā reaches.
niśītha begins 23:11 23:59 niśītha ends
Pūrṇimā begins 22:25:47
22:2322:4723:1123:3523:5900:2300:47
48 of 48 minutes covered
Ruling · Rāsayātrā · 2027
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 45 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Friday 12 November
Taken. The only night Pūrṇimā reaches.
48 of 48 minutes covered
Night of Saturday 13 November
Pūrṇimā is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Pūrṇimā runs from 22:26 on Fri 12 Nov to 21:26 on Sat 13 Nov.
2027-11-13T04:25:47Z → 2027-11-14T03:25:56Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:11–23:59 on the 12th, 23:11–23:59 on the 13th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.
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 2720 s
Ruling
Rāsayātrā, Chicago, 2027: Friday 12 November.
confidence: determinate
In Chicago, Rāsayātrā 2027 falls on Friday 12 November. Pūrṇimā runs from 22:26 on Fri 12 Nov to 21:26 on Sat 13 Nov and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 12 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 12 Nov |
| compat-drikpanchang | Comparison profile | Fri 12 Nov |
| No institution has a recorded ruling for Chicago. | ||
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 13th | Covered | Niśītha 14th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:26 → 19:26 | 23:14 | 0 min | 23:14 | 0 min | 12 Nov |
| Chicago | 22:26 → 21:26 | 23:11 | 0 min | 23:11 | 0 min | 12 Nov |
| Jersey City | 23:26 → 22:26 | 23:17 | 0 min | 23:17 | 0 min | 12 Nov |
| Port of Spain | 00:26 → 23:26 | 23:26 | 0 min | 23:27 | 0 min | 13 Nov |
| London | 04:26 → 03:26 | 23:21 | 48 min | 23:21 | 0 min | 13 Nov |
| Durban | 06:26 → 05:26 | 23:16 | 48 min | 23:16 | 0 min | 13 Nov |
| Dubai | 08:26 → 07:26 | 23:39 | 48 min | 23:39 | 0 min | 13 Nov |
| Delhi | 09:56 → 08:56 | 23:42 | 48 min | 23:42 | 0 min | 13 Nov |
| Kolkata | 09:56 → 08:56 | 22:57 | 48 min | 22:57 | 0 min | 13 Nov |
| Singapore | 12:26 → 11:26 | 00:25 | 48 min | 00:25 | 0 min | 13 Nov |
| Sydney | 15:26 → 14:26 | 00:15 | 48 min | 00:15 | 0 min | 13 Nov |
| Suva | 16:26 → 15:26 | 23:26 | 48 min | 23:27 | 0 min | 13 Nov |