Midday of Thursday 12 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2037
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 12 November
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Friday 13 November
Qualifies with 6 of 48 minutes. Not taken.
6 of 48 minutes covered, the first 6
Aṅga
Ṣaṣṭhī runs from 11:11 on Thu 12 Nov to 11:45 on Fri 13 Nov.
2037-11-12T03:11:22Z → 2037-11-13T03:44:37Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 6 of 48 on the 13th.
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 383 s
Ruling
Sūrya Ṣaṣṭhī, Baoding, 2037: Thursday 12 November.
confidence: boundary (tie-break-unstated)
In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2037 falls on Thursday 12 November. Ṣaṣṭhī runs from 11:11 on Thu 12 Nov to 11:45 on Fri 13 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 6 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 12 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 12 Nov |
| compat-drikpanchang | Comparison profile | Thu 12 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 12th | Covered | Madhyāhna 13th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:11 → 19:45 | 11:13 | 48 min | 11:13 | 0 min | 12 Nov |
| Chicago | 21:11 → 21:45 | 11:11 | 48 min | 11:11 | 0 min | 12 Nov |
| Jersey City | 22:11 → 22:45 | 11:16 | 48 min | 11:16 | 0 min | 12 Nov |
| Port of Spain | 23:11 → 23:45 | 11:26 | 48 min | 11:26 | 0 min | 12 Nov |
| London | 03:11 → 03:45 | 11:20 | 48 min | 11:21 | 0 min | 12 Nov |
| Durban | 05:11 → 05:45 | 11:16 | 48 min | 11:16 | 0 min | 12 Nov |
| Dubai | 07:11 → 07:45 | 11:39 | 48 min | 11:39 | 0 min | 12 Nov |
| Delhi | 08:41 → 09:15 | 11:41 | 48 min | 11:41 | 0 min | 12 Nov |
| Kolkata | 08:41 → 09:15 | 10:57 | 48 min | 10:57 | 0 min | 12 Nov |
| Singapore | 11:11 → 11:45 | 12:25 | 48 min | 12:25 | 0 min | 12 Nov |
| Sydney | 14:11 → 14:45 | 12:16 | 0 min | 12:16 | 48 min | 13 Nov |
| Suva | 15:11 → 15:45 | 11:27 | 0 min | 11:27 | 48 min | 13 Nov |