Midday of Friday 30 October
Taken. The only midday Ṣaṣṭhī reaches.
madhyāhna begins 11:19 12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55
48 of 48 minutes covered
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1908
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 115 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Friday 30 October
Taken. The only midday Ṣaṣṭhī reaches.
48 of 48 minutes covered
Midday of Saturday 31 October
Ṣaṣṭhī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 09:24 on Fri 30 Oct to 08:11 on Sat 31 Oct.
1908-10-30T05:59:13Z → 1908-10-31T04:45:34Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 30th, 11:19–12:07 on the 31st.
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 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 6879 s
Ruling
Sūrya Ṣaṣṭhī, Tehran, 1908: Friday 30 October.
confidence: determinate
In Tehran, Sūrya Ṣaṣṭhī (Chhath) 1908 falls on Friday 30 October. Ṣaṣṭhī runs from 09:24 on Fri 30 Oct to 08:11 on Sat 31 Oct and covers all of madhyāhna that midday.
| 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 Tehran. | ||
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 |