Midday of Monday 3 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Ruling · Mahānavamī · 2022
Boundaryin Tehran, under the Rashtriya Panchang method. A threshold is only 4 min 40 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 3 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Tuesday 4 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Aṅga
Navamī runs from 14:38 on Mon 3 Oct to 12:21 on Tue 4 Oct.
2022-10-03T11:08:13Z → 2022-10-04T08:51:29Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 3rd, 11:29–12:17 on the 4th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 280 s < 300 s
Ruling
Mahānavamī, Tehran, 2022: Tuesday 4 October.
confidence: boundary (margin)
In Tehran, Mahānavamī 2022 falls on Tuesday 4 October. Navamī runs from 14:38 on Mon 3 Oct to 12:21 on Tue 4 Oct and covers all of madhyāhna that midday. It is 4 min 40 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 4 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 4 Oct |
| compat-drikpanchang | Comparison profile | Tue 4 Oct |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahanavami · ruleset 2026.3-draft
“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 3rd | Covered | Madhyāhna 4th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 04:08 → 01:51 | 12:18 | 48 min | 12:17 | 0 min | 3 Oct |
| Chicago | 06:08 → 03:51 | 12:15 | 48 min | 12:15 | 0 min | 3 Oct |
| Jersey City | 07:08 → 04:51 | 12:21 | 48 min | 12:21 | 0 min | 3 Oct |
| Port of Spain | 07:08 → 04:51 | 11:31 | 48 min | 11:31 | 0 min | 3 Oct |
| London | 12:08 → 09:51 | 12:25 | 48 min | 12:25 | 0 min | 3 Oct |
| Durban | 13:08 → 10:51 | 11:21 | 0 min | 11:21 | 0 min | 4 Oct |
| Dubai | 15:08 → 12:51 | 11:44 | 0 min | 11:43 | 48 min | 4 Oct |
| Delhi | 16:38 → 14:21 | 11:46 | 0 min | 11:46 | 48 min | 4 Oct |
| Kolkata | 16:38 → 14:21 | 11:02 | 0 min | 11:01 | 48 min | 4 Oct |
| Singapore | 19:08 → 16:51 | 12:30 | 0 min | 12:29 | 48 min | 4 Oct |
| Sydney | 22:08 → 19:51 | 12:21 | 0 min | 12:20 | 48 min | 4 Oct |
| Suva | 23:08 → 20:51 | 11:32 | 0 min | 11:31 | 48 min | 4 Oct |