Midday of Thursday 15 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:00 11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36
48 of 48 minutes covered
Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2018
Boundaryin Daqing, 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 Thursday 15 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Friday 16 November
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 09:34 on Thu 15 Nov to 12:10 on Fri 16 Nov.
2018-11-15T01:34:22Z → 2018-11-16T04:10:26Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 15th, 11:00–11:48 on the 16th.
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 15th and 48 of 48 on the 16th.
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 1319 s
Ruling
Gopāṣṭamī, Daqing, 2018: Thursday 15 November.
confidence: boundary (tie-break-unstated)
In Daqing, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 09:34 on Thu 15 Nov to 12:10 on Fri 16 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 | Thu 15 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 15 Nov |
| compat-drikpanchang | Comparison profile | Thu 15 Nov |
| No institution has a recorded ruling for Daqing. | ||
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 15th | Covered | Madhyāhna 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:34 → 20:10 | 11:13 | 48 min | 11:14 | 0 min | 15 Nov |
| Chicago | 19:34 → 22:10 | 11:11 | 48 min | 11:11 | 0 min | 15 Nov |
| Jersey City | 20:34 → 23:10 | 11:17 | 48 min | 11:17 | 0 min | 15 Nov |
| Port of Spain | 21:34 → 00:10 | 11:27 | 48 min | 11:27 | 0 min | 15 Nov |
| London | 01:34 → 04:10 | 11:21 | 48 min | 11:21 | 0 min | 15 Nov |
| Durban | 03:34 → 06:10 | 11:17 | 48 min | 11:17 | 0 min | 15 Nov |
| Dubai | 05:34 → 08:10 | 11:39 | 48 min | 11:39 | 0 min | 15 Nov |
| Delhi | 07:04 → 09:40 | 11:41 | 48 min | 11:42 | 0 min | 15 Nov |
| Kolkata | 07:04 → 09:40 | 10:57 | 48 min | 10:57 | 0 min | 15 Nov |
| Singapore | 09:34 → 12:10 | 12:25 | 48 min | 12:25 | 0 min | 15 Nov |
| Sydney | 12:34 → 15:10 | 12:16 | 30 min | 12:16 | 48 min | 16 Nov |
| Suva | 14:34 → 17:10 | 12:27 | 0 min | 12:27 | 48 min | 16 Nov |