Midday of Thursday 9 April
Qualifies with 33 of 48 minutes. Not taken.
madhyāhna begins 11:24 12:12 madhyāhna ends
Navamī begins 11:39:03
10:3611:0011:2411:4812:1212:3613:00
33 of 48 minutes covered, the last 33
Ruling · Rāma Navamī · 1908
Boundaryin Chattogram, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
Decide it for
22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 9 April
Qualifies with 33 of 48 minutes. Not taken.
33 of 48 minutes covered, the last 33
Midday of Friday 10 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Navamī runs from 11:39 on Thu 9 Apr to 14:14 on Fri 10 Apr.
1908-04-09T05:45:44Z → 1908-04-10T08:21:23Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 9th, 11:23–12:11 on the 10th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 33 of 48 minutes on the 9th and 48 of 48 on the 10th.
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 909 s
Ruling
Rāma Navamī, Chattogram, 1908: Friday 10 April.
confidence: boundary (tie-break-unstated)
In Chattogram, Rāma Navamī 1908 falls on Friday 10 April. Navamī runs from 11:39 on Thu 9 Apr to 14:14 on Fri 10 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 33 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 | Fri 10 Apr |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 10 Apr |
| compat-drikpanchang | Comparison profile | Fri 10 Apr |
| No institution has a recorded ruling for Chattogram. | ||
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 9th | Covered | Madhyāhna 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:46 → 00:21 | 11:31 | 48 min | 11:31 | 0 min | 9 Apr |
| Chicago | 23:46 → 02:21 | 11:29 | 48 min | 11:28 | 0 min | 9 Apr |
| Jersey City | 00:46 → 03:21 | 11:34 | 48 min | 11:34 | 0 min | 9 Apr |
| Port of Spain | 01:46 → 04:21 | 11:44 | 48 min | 11:44 | 0 min | 9 Apr |
| London | 05:46 → 08:21 | 11:39 | 48 min | 11:38 | 0 min | 9 Apr |
| Durban | 07:46 → 10:21 | 11:33 | 48 min | 11:33 | 0 min | 9 Apr |
| Dubai | 09:27 → 12:02 | 11:38 | 48 min | 11:37 | 25 min | 9 Apr |
| Delhi | 11:16 → 13:51 | 11:59 | 48 min | 11:59 | 48 min | 9 Apr |
| Kolkata | 11:16 → 13:51 | 11:14 | 47 min | 11:14 | 48 min | 10 Apr |
| Singapore | 12:46 → 15:21 | 11:42 | 0 min | 11:42 | 48 min | 10 Apr |
| Sydney | 15:46 → 18:21 | 11:33 | 0 min | 11:32 | 48 min | 10 Apr |
| Suva | 17:41 → 20:16 | 11:39 | 0 min | 11:39 | 48 min | 10 Apr |