Midday of Friday 30 October
Taken. The only midday Ṣaṣṭhī reaches.
1 of 48 minutes covered, the last 1
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1908
Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 1 min 06 s away. Say “contested”.
Decide it for
22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Friday 30 October
Taken. The only midday Ṣaṣṭhī reaches.
1 of 48 minutes covered, the last 1
Midday of Saturday 31 October
Ṣaṣṭhī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 11:52 on Fri 30 Oct to 10:39 on Sat 31 Oct.
1908-10-30T05:59:13Z → 1908-10-31T04:45:34Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 30th, 11:05–11:53 on the 31st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Ṣaṣṭhī must be present during madhyāhna. It covers 1 of 48 minutes on the 30th and 0 of 48 on the 31st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: unstated → only-day · margin 66 s < 300 s
Ruling
Sūrya Ṣaṣṭhī, Chattogram, 1908: Friday 30 October.
confidence: boundary (margin)
In Chattogram, Sūrya Ṣaṣṭhī (Chhath) 1908 falls on Friday 30 October. Ṣaṣṭhī runs from 11:52 on Fri 30 Oct to 10:39 on Sat 31 Oct and covers 1 of 48 minutes of madhyāhna that midday. It is 1 min 06 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 30 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 30 Oct |
| compat-drikpanchang | Comparison profile | Fri 30 Oct |
| No institution has a recorded ruling for Chattogram. | ||
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 30th | Covered | Madhyāhna 31st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:59 → 20:46 | 11:13 | 48 min | 11:12 | 0 min | 30 Oct |
| Chicago | 23:59 → 22:46 | 11:10 | 48 min | 11:10 | 0 min | 30 Oct |
| Jersey City | 00:59 → 23:46 | 11:16 | 48 min | 11:16 | 0 min | 30 Oct |
| Port of Spain | 01:59 → 00:46 | 11:26 | 48 min | 11:26 | 0 min | 30 Oct |
| London | 05:59 → 04:46 | 11:20 | 48 min | 11:20 | 0 min | 30 Oct |
| Durban | 07:59 → 06:46 | 11:16 | 48 min | 11:16 | 0 min | 30 Oct |
| Dubai | 09:40 → 08:27 | 11:19 | 48 min | 11:19 | 0 min | 30 Oct |
| Delhi | 11:29 → 10:16 | 11:41 | 48 min | 11:41 | 0 min | 30 Oct |
| Kolkata | 11:29 → 10:16 | 10:56 | 15 min | 10:56 | 0 min | 30 Oct |
| Singapore | 12:59 → 11:46 | 11:24 | 0 min | 11:24 | 21 min | 31 Oct |
| Sydney | 15:59 → 14:46 | 11:15 | 0 min | 11:15 | 48 min | 31 Oct |
| Suva | 17:54 → 16:41 | 11:21 | 0 min | 11:21 | 48 min | 31 Oct |