Midday of Thursday 18 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:20 12:08 madhyāhna ends
10:3210:5611:2011:4412:0812:3212:56
48 of 48 minutes covered
Ruling · Gopāṣṭamī · 1920
Boundaryin Riyadh, 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 18 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Friday 19 November
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:20 on Thu 18 Nov to 12:08 on Fri 19 Nov.
1920-11-18T07:14:25Z → 1920-11-19T09:02:03Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 18th, 11:20–12:08 on the 19th.
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 18th and 48 of 48 on the 19th.
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 23 s < 300 s
Ruling
Gopāṣṭamī, Riyadh, 1920: Thursday 18 November.
confidence: boundary (margin, tie-break-unstated)
In Riyadh, Gopāṣṭamī 1920 falls on Thursday 18 November. Aṣṭamī runs from 10:20 on Thu 18 Nov to 12:08 on Fri 19 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. It is 0 min 23 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 18 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 18 Nov |
| compat-drikpanchang | Comparison profile | Thu 18 Nov |
| No institution has a recorded ruling for Riyadh. | ||
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 18th | Covered | Madhyāhna 19th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:14 → 01:02 | 11:14 | 48 min | 11:14 | 0 min | 18 Nov |
| Chicago | 01:14 → 03:02 | 11:12 | 48 min | 11:12 | 0 min | 18 Nov |
| Jersey City | 02:14 → 04:02 | 11:17 | 48 min | 11:18 | 0 min | 18 Nov |
| Port of Spain | 03:14 → 05:02 | 11:27 | 48 min | 11:28 | 0 min | 18 Nov |
| London | 07:14 → 09:02 | 11:21 | 48 min | 11:22 | 0 min | 18 Nov |
| Durban | 09:14 → 11:02 | 11:17 | 48 min | 11:18 | 0 min | 18 Nov |
| Dubai | 11:14 → 13:02 | 11:40 | 48 min | 11:40 | 48 min | 18 Nov |
| Delhi | 12:44 → 14:32 | 11:42 | 0 min | 11:42 | 48 min | 19 Nov |
| Kolkata | 12:44 → 14:32 | 10:58 | 0 min | 10:58 | 48 min | 19 Nov |
| Singapore | 14:14 → 16:02 | 11:26 | 0 min | 11:26 | 48 min | 19 Nov |
| Sydney | 17:14 → 19:02 | 11:17 | 0 min | 11:17 | 48 min | 19 Nov |
| Suva | 19:14 → 21:02 | 11:28 | 0 min | 11:28 | 48 min | 19 Nov |