Midday of Tuesday 9 November
Ṣaṣṭhī is absent from madhyāhna. Not taken.
madhyāhna begins 11:00 11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36
0 of 48 minutes covered
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2021
Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 3 min 59 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 9 November
Ṣaṣṭhī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Wednesday 10 November
Taken. Ṣaṣṭhī reaches neither midday; the rule takes the second day.
0 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 13:06 on Tue 9 Nov to 10:56 on Wed 10 Nov.
2021-11-09T05:06:13Z → 2021-11-10T02:55:39Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 9th, 11:00–11:48 on the 10th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 0 of 48 on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Neither midday qualifies. The rule takes the second day.
priority: unstated → second-day · margin 239 s < 300 s
Ruling
Sūrya Ṣaṣṭhī, Daqing, 2021: Wednesday 10 November.
confidence: boundary (margin)
In Daqing, Sūrya Ṣaṣṭhī (Chhath) 2021 falls on Wednesday 10 November. Ṣaṣṭhī runs from 13:06 on Tue 9 Nov to 10:56 on Wed 10 Nov, and reaches madhyāhna on neither day. It is 3 min 59 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 10 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 10 Nov |
| compat-drikpanchang | Comparison profile | Wed 10 Nov |
| No institution has a recorded ruling for Daqing. | ||
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 9th | Covered | Madhyāhna 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:06 → 18:56 | 11:13 | 48 min | 11:13 | 0 min | 9 Nov |
| Chicago | 23:06 → 20:56 | 11:10 | 48 min | 11:10 | 0 min | 9 Nov |
| Jersey City | 00:06 → 21:56 | 11:16 | 48 min | 11:16 | 0 min | 9 Nov |
| Port of Spain | 01:06 → 22:56 | 11:26 | 48 min | 11:26 | 0 min | 9 Nov |
| London | 05:06 → 02:56 | 11:20 | 48 min | 11:20 | 0 min | 9 Nov |
| Durban | 07:06 → 04:56 | 11:16 | 48 min | 11:16 | 0 min | 9 Nov |
| Dubai | 09:06 → 06:56 | 11:38 | 48 min | 11:39 | 0 min | 9 Nov |
| Delhi | 10:36 → 08:26 | 11:41 | 48 min | 11:41 | 0 min | 9 Nov |
| Kolkata | 10:36 → 08:26 | 10:56 | 48 min | 10:56 | 0 min | 9 Nov |
| Singapore | 13:06 → 10:56 | 12:24 | 6 min | 12:24 | 0 min | 9 Nov |
| Sydney | 16:06 → 13:56 | 12:15 | 0 min | 12:15 | 48 min | 10 Nov |
| Suva | 17:06 → 14:56 | 11:26 | 0 min | 11:26 | 48 min | 10 Nov |