Midday of Tuesday 11 April
Qualifies with 16 of 48 minutes. Not taken.
16 of 48 minutes covered, the last 16
Ruling · Rāma Navamī · 1916
Boundaryin Daqing, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 11 April
Qualifies with 16 of 48 minutes. Not taken.
16 of 48 minutes covered, the last 16
Midday of Wednesday 12 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Navamī runs from 11:50 on Tue 11 Apr to 14:02 on Wed 12 Apr.
1916-04-11T03:49:40Z → 1916-04-12T06:02:21Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 11th, 11:17–12:05 on the 12th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 16 of 48 minutes on the 11th and 48 of 48 on the 12th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 960 s
Ruling
Rāma Navamī, Daqing, 1916: Wednesday 12 April.
confidence: boundary (tie-break-unstated)
In Daqing, Rāma Navamī 1916 falls on Wednesday 12 April. Navamī runs from 11:50 on Tue 11 Apr to 14:02 on Wed 12 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 16 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 12 Apr |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 12 Apr |
| compat-drikpanchang | Comparison profile | Wed 12 Apr |
| No institution has a recorded ruling for Daqing. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/rama-navami · ruleset 2026.3-draft
“S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 11th | Covered | Madhyāhna 12th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:50 → 22:02 | 11:30 | 48 min | 11:30 | 0 min | 11 Apr |
| Chicago | 21:50 → 00:02 | 11:28 | 48 min | 11:28 | 0 min | 11 Apr |
| Jersey City | 22:50 → 01:02 | 11:34 | 48 min | 11:33 | 0 min | 11 Apr |
| Port of Spain | 23:50 → 02:02 | 11:43 | 48 min | 11:43 | 0 min | 11 Apr |
| London | 03:50 → 06:02 | 11:38 | 48 min | 11:38 | 0 min | 11 Apr |
| Durban | 05:50 → 08:02 | 11:33 | 48 min | 11:33 | 0 min | 11 Apr |
| Dubai | 07:31 → 09:43 | 11:37 | 48 min | 11:37 | 0 min | 11 Apr |
| Delhi | 09:20 → 11:32 | 11:58 | 48 min | 11:58 | 0 min | 11 Apr |
| Kolkata | 09:20 → 11:32 | 11:14 | 48 min | 11:14 | 19 min | 11 Apr |
| Singapore | 10:50 → 13:02 | 11:42 | 48 min | 11:42 | 48 min | 11 Apr |
| Sydney | 13:50 → 16:02 | 11:32 | 0 min | 11:32 | 48 min | 12 Apr |
| Suva | 15:50 → 18:02 | 11:43 | 0 min | 11:43 | 48 min | 12 Apr |