Midday of Monday 29 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Ruling · Durgā Navamī · 1979
Determinatein Datong, under the Rashtriya Panchang method. Clear of every threshold by 213 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 29 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Midday of Tuesday 30 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Navamī runs from 08:13 on Mon 29 Oct to 06:12 on Tue 30 Oct.
1979-10-29T00:13:21Z → 1979-10-29T22:11:53Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 29th, 11:46–12:34 on the 30th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.
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 12782 s
Ruling
Durgā Navamī, Datong, 1979: Monday 29 October.
confidence: determinate
In Datong, Durgā Navamī 1979 falls on Monday 29 October. Navamī runs from 08:13 on Mon 29 Oct to 06:12 on Tue 30 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 29 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 29 Oct |
| compat-drikpanchang | Comparison profile | Mon 29 Oct |
| No institution has a recorded ruling for Datong. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/durga-navami · ruleset 2026.3-draft
“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 29th | Covered | Madhyāhna 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 16:13 → 14:12 | 11:13 | 48 min | 11:12 | 0 min | 29 Oct |
| Chicago | 18:13 → 16:12 | 11:10 | 48 min | 11:10 | 0 min | 29 Oct |
| Jersey City | 19:13 → 17:12 | 11:16 | 48 min | 11:16 | 0 min | 29 Oct |
| Port of Spain | 20:13 → 18:12 | 11:26 | 48 min | 11:26 | 0 min | 29 Oct |
| London | 00:13 → 22:12 | 11:20 | 48 min | 11:20 | 0 min | 29 Oct |
| Durban | 02:13 → 00:12 | 11:16 | 48 min | 11:16 | 0 min | 29 Oct |
| Dubai | 04:13 → 02:12 | 11:38 | 48 min | 11:38 | 0 min | 29 Oct |
| Delhi | 05:43 → 03:42 | 11:41 | 48 min | 11:41 | 0 min | 29 Oct |
| Kolkata | 05:43 → 03:42 | 10:56 | 48 min | 10:56 | 0 min | 29 Oct |
| Singapore | 07:43 → 05:42 | 11:54 | 48 min | 11:54 | 0 min | 29 Oct |
| Sydney | 11:13 → 09:12 | 12:15 | 48 min | 12:15 | 0 min | 29 Oct |
| Suva | 12:13 → 10:12 | 11:26 | 1 min | 11:26 | 0 min | 29 Oct |