Midday of Thursday 30 October
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 12:32 13:20 madhyāhna ends
Navamī begins 12:37:02
11:4412:0812:3212:5613:2013:4414:08
43 of 48 minutes covered, the last 43
Ruling · Durgā Navamī · 2025
Boundaryin Xining, under the Rashtriya Panchang method. A threshold is only 1 min 49 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 30 October
Taken. Both middays qualify; the rule takes the first.
43 of 48 minutes covered, the last 43
Midday of Friday 31 October
Qualifies with 2 of 48 minutes. Not taken.
2 of 48 minutes covered, the first 2
Aṅga
Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct.
2025-10-30T04:37:02Z → 2025-10-31T04:34:11Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 30th, 12:32–13:20 on the 31st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 43 of 48 minutes on the 30th and 2 of 48 on the 31st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Pūrvaviddhā: the first is taken.
priority: purvaviddha → purvaviddha · margin 109 s < 300 s
Ruling
Durgā Navamī, Xining, 2025: Thursday 30 October.
confidence: boundary (margin)
In Xining, Durgā Navamī 2025 falls on Thursday 30 October. Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct and covers 43 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 2 minutes; by the rule the first midday is taken. It is 1 min 49 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 30 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 30 Oct |
| compat-drikpanchang | Comparison profile | Thu 30 Oct |
| No institution has a recorded ruling for Xining. | ||
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 30th | Covered | Madhyāhna 31st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:37 → 21:34 | 12:12 | 48 min | 12:12 | 0 min | 30 Oct |
| Chicago | 23:37 → 23:34 | 12:10 | 48 min | 12:10 | 0 min | 30 Oct |
| Jersey City | 00:37 → 00:34 | 12:16 | 48 min | 12:16 | 0 min | 30 Oct |
| Port of Spain | 00:37 → 00:34 | 11:26 | 48 min | 11:26 | 0 min | 30 Oct |
| London | 04:37 → 04:34 | 11:20 | 48 min | 11:20 | 0 min | 30 Oct |
| Durban | 06:37 → 06:34 | 11:16 | 48 min | 11:16 | 0 min | 30 Oct |
| Dubai | 08:37 → 08:34 | 11:38 | 48 min | 11:38 | 0 min | 30 Oct |
| Delhi | 10:07 → 10:04 | 11:41 | 48 min | 11:41 | 0 min | 30 Oct |
| Kolkata | 10:07 → 10:04 | 10:56 | 48 min | 10:56 | 0 min | 30 Oct |
| Singapore | 12:37 → 12:34 | 12:24 | 35 min | 12:24 | 10 min | 30 Oct |
| Sydney | 15:37 → 15:34 | 12:15 | 0 min | 12:15 | 48 min | 31 Oct |
| Suva | 16:37 → 16:34 | 11:26 | 0 min | 11:26 | 48 min | 31 Oct |