Midday of Monday 27 October
Taken. The only midday Ṣaṣṭhī reaches.
madhyāhna begins 11:47 12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23
48 of 48 minutes covered
Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2025
Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 226 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 27 October
Taken. The only midday Ṣaṣṭhī reaches.
48 of 48 minutes covered
Midday of Tuesday 28 October
Ṣaṣṭhī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Ṣaṣṭhī runs from 06:05 on Mon 27 Oct to 08:00 on Tue 28 Oct.
2025-10-27T00:35:25Z → 2025-10-28T02:30:16Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 27th, 11:47–12:35 on the 28th.
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 27th and 0 of 48 on the 28th.
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 13577 s
Ruling
Sūrya Ṣaṣṭhī, Ujjain, 2025: Monday 27 October.
confidence: determinate
In Ujjain, Sūrya Ṣaṣṭhī (Chhath) 2025 falls on Monday 27 October. Ṣaṣṭhī runs from 06:05 on Mon 27 Oct to 08:00 on Tue 28 Oct and covers all of madhyāhna that midday. Rashtriya Panchang recorded 28 October (Principal festivals, 2025-26).
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 27 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 27 Oct |
| compat-drikpanchang | Comparison profile | Mon 27 Oct |
| Rashtriya Panchang | Principal festivals, 2025-26 | Tue 28 Oct |
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 27th | Covered | Madhyāhna 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:35 → 19:30 | 12:13 | 48 min | 12:13 | 0 min | 27 Oct |
| Chicago | 19:35 → 21:30 | 12:10 | 48 min | 12:10 | 0 min | 27 Oct |
| Jersey City | 20:35 → 22:30 | 12:16 | 48 min | 12:16 | 0 min | 27 Oct |
| Port of Spain | 20:35 → 22:30 | 11:26 | 48 min | 11:26 | 0 min | 27 Oct |
| London | 00:35 → 02:30 | 11:20 | 48 min | 11:20 | 0 min | 27 Oct |
| Durban | 02:35 → 04:30 | 11:16 | 48 min | 11:16 | 0 min | 27 Oct |
| Dubai | 04:35 → 06:30 | 11:38 | 48 min | 11:38 | 0 min | 27 Oct |
| Delhi | 06:05 → 08:00 | 11:41 | 48 min | 11:41 | 0 min | 27 Oct |
| Kolkata | 06:05 → 08:00 | 10:56 | 48 min | 10:56 | 0 min | 27 Oct |
| Singapore | 08:35 → 10:30 | 12:24 | 48 min | 12:24 | 0 min | 27 Oct |
| Sydney | 11:35 → 13:30 | 12:15 | 48 min | 12:15 | 48 min | 27 Oct |
| Suva | 12:35 → 14:30 | 11:26 | 0 min | 11:26 | 48 min | 28 Oct |