Midday of Wednesday 25 October
Qualifies with 18 of 48 minutes. Not taken.
18 of 48 minutes covered, the last 18
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2017
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 Wednesday 25 October
Qualifies with 18 of 48 minutes. Not taken.
18 of 48 minutes covered, the last 18
Midday of Thursday 26 October
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 12:08 on Wed 25 Oct to 14:46 on Thu 26 Oct.
2017-10-25T04:08:15Z → 2017-10-26T06:45:50Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 25th, 11:38–12:26 on the 26th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Ṣaṣṭhī must be present during madhyāhna. It covers 18 of 48 minutes on the 25th and 48 of 48 on the 26th.
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 1064 s
Ruling
Sūrya Ṣaṣṭhī, Baoding, 2017: Thursday 26 October.
confidence: boundary (tie-break-unstated)
In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2017 falls on Thursday 26 October. Ṣaṣṭhī runs from 12:08 on Wed 25 Oct to 14:46 on Thu 26 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 18 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 26 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 26 Oct |
| compat-drikpanchang | Comparison profile | Thu 26 Oct |
| 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 25th | Covered | Madhyāhna 26th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:08 → 23:46 | 12:13 | 48 min | 12:13 | 0 min | 25 Oct |
| Chicago | 23:08 → 01:46 | 12:10 | 48 min | 12:10 | 0 min | 25 Oct |
| Jersey City | 00:08 → 02:46 | 12:16 | 48 min | 12:16 | 0 min | 25 Oct |
| Port of Spain | 00:08 → 02:46 | 11:26 | 48 min | 11:26 | 0 min | 25 Oct |
| London | 05:08 → 07:46 | 12:20 | 48 min | 12:20 | 0 min | 25 Oct |
| Durban | 06:08 → 08:46 | 11:16 | 48 min | 11:16 | 0 min | 25 Oct |
| Dubai | 08:08 → 10:46 | 11:39 | 48 min | 11:39 | 0 min | 25 Oct |
| Delhi | 09:38 → 12:16 | 11:41 | 48 min | 11:41 | 35 min | 25 Oct |
| Kolkata | 09:38 → 12:16 | 10:56 | 48 min | 10:56 | 48 min | 25 Oct |
| Singapore | 12:08 → 14:46 | 12:25 | 48 min | 12:25 | 48 min | 25 Oct |
| Sydney | 15:08 → 17:46 | 12:16 | 0 min | 12:15 | 48 min | 26 Oct |
| Suva | 16:08 → 18:46 | 11:27 | 0 min | 11:26 | 48 min | 26 Oct |