Midday of Thursday 13 November
Qualifies with 12 of 48 minutes. Not taken.
madhyāhna begins 11:38 12:26 madhyāhna ends
Ṣaṣṭhī begins 12:14:38
10:5011:1411:3812:0212:2612:5013:14
12 of 48 minutes covered, the last 12
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1980
Boundaryin Baoding, 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 13 November
Qualifies with 12 of 48 minutes. Not taken.
12 of 48 minutes covered, the last 12
Midday of Friday 14 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 12:15 on Thu 13 Nov to 12:30 on Fri 14 Nov.
1980-11-13T04:14:39Z → 1980-11-14T04:30:15Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 13th, 11:38–12:26 on the 14th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Ṣaṣṭhī must be present during madhyāhna. It covers 12 of 48 minutes on the 13th and 48 of 48 on the 14th.
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 230 s < 300 s
Ruling
Sūrya Ṣaṣṭhī, Baoding, 1980: Friday 14 November.
confidence: boundary (margin, tie-break-unstated)
In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1980 falls on Friday 14 November. Ṣaṣṭhī runs from 12:15 on Thu 13 Nov to 12:30 on Fri 14 Nov and covers all of madhyāhna that midday. It also reaches the previous midday for 12 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 50 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 14 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 14 Nov |
| compat-drikpanchang | Comparison profile | Fri 14 Nov |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/surya-shashthi · ruleset 2026.3-draft
“S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Ṣaṣṭhī | Madhyāhna 13th | Covered | Madhyāhna 14th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:15 → 20:30 | 11:13 | 48 min | 11:13 | 0 min | 13 Nov |
| Chicago | 22:15 → 22:30 | 11:11 | 48 min | 11:11 | 0 min | 13 Nov |
| Jersey City | 23:15 → 23:30 | 11:16 | 48 min | 11:17 | 0 min | 13 Nov |
| Port of Spain | 00:15 → 00:30 | 11:26 | 48 min | 11:27 | 0 min | 13 Nov |
| London | 04:15 → 04:30 | 11:21 | 48 min | 11:21 | 0 min | 13 Nov |
| Durban | 06:15 → 06:30 | 11:16 | 48 min | 11:17 | 0 min | 13 Nov |
| Dubai | 08:15 → 08:30 | 11:39 | 48 min | 11:39 | 0 min | 13 Nov |
| Delhi | 09:45 → 10:00 | 11:41 | 48 min | 11:41 | 0 min | 13 Nov |
| Kolkata | 09:45 → 10:00 | 10:57 | 48 min | 10:57 | 0 min | 13 Nov |
| Singapore | 11:45 → 12:00 | 11:55 | 48 min | 11:55 | 5 min | 13 Nov |
| Sydney | 15:15 → 15:30 | 12:16 | 0 min | 12:16 | 48 min | 14 Nov |
| Suva | 16:15 → 16:30 | 11:27 | 0 min | 11:27 | 48 min | 14 Nov |