Midday of Monday 7 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:46 12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22
48 of 48 minutes covered
Ruling · Gopāṣṭamī · 1921
Boundaryin Datong, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 7 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Tuesday 8 November
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:40 on Mon 7 Nov to 13:10 on Tue 8 Nov.
1921-11-07T02:39:54Z → 1921-11-08T05:09:38Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 7th, 11:46–12:34 on the 8th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 48 of 48 on the 8th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 2113 s
Ruling
Gopāṣṭamī, Datong, 1921: Monday 7 November.
confidence: boundary (tie-break-unstated)
In Datong, Gopāṣṭamī 1921 falls on Monday 7 November. Aṣṭamī runs from 10:40 on Mon 7 Nov to 13:10 on Tue 8 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 7 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 7 Nov |
| compat-drikpanchang | Comparison profile | Mon 7 Nov |
| No institution has a recorded ruling for Datong. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/gopashtami · ruleset 2026.3-draft
“S 8 Gopastami, Gosthastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 7th | Covered | Madhyāhna 8th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 18:40 → 21:10 | 11:13 | 48 min | 11:13 | 0 min | 7 Nov |
| Chicago | 20:40 → 23:10 | 11:10 | 48 min | 11:10 | 0 min | 7 Nov |
| Jersey City | 21:40 → 00:10 | 11:16 | 48 min | 11:16 | 0 min | 7 Nov |
| Port of Spain | 22:40 → 01:10 | 11:26 | 48 min | 11:26 | 0 min | 7 Nov |
| London | 02:40 → 05:10 | 11:20 | 48 min | 11:20 | 0 min | 7 Nov |
| Durban | 04:40 → 07:10 | 11:16 | 48 min | 11:16 | 0 min | 7 Nov |
| Dubai | 06:40 → 09:10 | 11:38 | 48 min | 11:38 | 0 min | 7 Nov |
| Delhi | 08:10 → 10:40 | 11:41 | 48 min | 11:41 | 0 min | 7 Nov |
| Kolkata | 08:10 → 10:40 | 10:56 | 48 min | 10:56 | 0 min | 7 Nov |
| Singapore | 09:40 → 12:10 | 11:24 | 48 min | 11:24 | 45 min | 7 Nov |
| Sydney | 12:40 → 15:10 | 11:15 | 0 min | 11:15 | 48 min | 8 Nov |
| Suva | 14:40 → 17:10 | 11:26 | 0 min | 11:26 | 48 min | 8 Nov |