Morning of Thursday 9 October
Taken. Saptamī reaches neither morning; this is the day it falls on.
sunrise 06:06 06:52 one muhūrta on
05:1805:4206:0606:3006:5407:1807:42
0 of 46 minutes covered
Ruling · Durgā Saptamī · 1986
Boundaryin Tehran, under the Rashtriya Panchang method. Saptamī reaches the first muhūrta after sunrise on neither day and the rule does not say what then. Say “contested”.
One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.
Morning of Thursday 9 October
Taken. Saptamī reaches neither morning; this is the day it falls on.
0 of 46 minutes covered
Morning of Friday 10 October
Saptamī is absent from the first muhūrta after sunrise. Not taken.
0 of 46 minutes covered
Aṅga
Saptamī runs from 08:21 on Thu 9 Oct to 06:03 on Fri 10 Oct.
1986-10-09T04:51:26Z → 1986-10-10T02:32:59Z
Kāla
The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:06–06:52 on the 9th, 06:06–06:52 on the 10th.
udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 46 minutes on the 9th and 0 of 46 on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Neither morning qualifies. The day the tithi falls on is taken.
priority: paraviddha → tithi-day · margin 202 s < 300 s
Ruling
Durgā Saptamī, Tehran, 1986: Thursday 9 October.
confidence: boundary (margin, absent-unstated)
In Tehran, Durgā Saptamī 1986 falls on Thursday 9 October. Saptamī runs from 08:21 on Thu 9 Oct to 06:03 on Fri 10 Oct, and reaches the first muhūrta after sunrise on neither day. It is 3 min 22 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 9 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 9 Oct |
| compat-drikpanchang | Comparison profile | Thu 9 Oct |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/durga-saptami · ruleset 2026.3-draft
“S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Saptamī | Sunrise 9th | Covered | Sunrise 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:51 → 19:33 | 06:54 | 46 min | 06:54 | 0 min | 9 Oct |
| Chicago | 23:51 → 21:33 | 06:56 | 46 min | 06:57 | 0 min | 9 Oct |
| Jersey City | 00:51 → 22:33 | 07:01 | 46 min | 07:02 | 0 min | 9 Oct |
| Port of Spain | 00:51 → 22:33 | 05:55 | 48 min | 05:55 | 0 min | 9 Oct |
| London | 05:51 → 03:33 | 07:14 | 44 min | 07:16 | 0 min | 9 Oct |
| Durban | 06:51 → 04:33 | 05:26 | 0 min | 05:24 | 0 min | 9 Oct |
| Dubai | 08:51 → 06:33 | 06:14 | 0 min | 06:15 | 18 min | 9 Oct |
| Delhi | 10:21 → 08:03 | 06:18 | 0 min | 06:19 | 47 min | 10 Oct |
| Kolkata | 10:21 → 08:03 | 05:31 | 0 min | 05:31 | 47 min | 10 Oct |
| Singapore | 12:51 → 10:33 | 06:50 | 0 min | 06:49 | 48 min | 10 Oct |
| Sydney | 14:51 → 12:33 | 05:23 | 0 min | 05:21 | 51 min | 10 Oct |
| Suva | 16:51 → 14:33 | 05:43 | 0 min | 05:42 | 50 min | 10 Oct |