Midday of Sunday 16 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:16 12:04 madhyāhna ends
Navamī begins 11:04:07
10:2810:5211:1611:4012:0412:2812:52
48 of 48 minutes covered
Ruling · Rāma Navamī (Rāma Jayantī) · 1978
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 Sunday 16 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Monday 17 April
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Navamī runs from 11:04 on Sun 16 Apr to 13:06 on Mon 17 Apr.
1978-04-16T03:04:08Z → 1978-04-17T05:05:49Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 16th, 11:16–12:04 on the 17th.
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 16th and 48 of 48 on the 17th.
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 735 s
Ruling
Rāma Navamī, Daqing, 1978: Sunday 16 April.
confidence: boundary (tie-break-unstated)
In Daqing, Rāma Navamī 1978 falls on Sunday 16 April. Navamī runs from 11:04 on Sun 16 Apr to 13:06 on Mon 17 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 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 | Sun 16 Apr |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 16 Apr |
| compat-drikpanchang | Comparison profile | Mon 17 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 16th | Covered | Madhyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:04 → 21:06 | 11:29 | 48 min | 11:29 | 0 min | 16 Apr |
| Chicago | 21:04 → 23:06 | 11:27 | 48 min | 11:27 | 0 min | 16 Apr |
| Jersey City | 22:04 → 00:06 | 11:32 | 48 min | 11:32 | 0 min | 16 Apr |
| Port of Spain | 23:04 → 01:06 | 11:42 | 48 min | 11:42 | 0 min | 16 Apr |
| London | 04:04 → 06:06 | 12:37 | 48 min | 12:37 | 0 min | 16 Apr |
| Durban | 05:04 → 07:06 | 11:32 | 48 min | 11:31 | 0 min | 16 Apr |
| Dubai | 07:04 → 09:06 | 11:55 | 48 min | 11:55 | 0 min | 16 Apr |
| Delhi | 08:34 → 10:36 | 11:57 | 48 min | 11:57 | 0 min | 16 Apr |
| Kolkata | 08:34 → 10:36 | 11:13 | 48 min | 11:12 | 0 min | 16 Apr |
| Singapore | 10:34 → 12:36 | 12:11 | 48 min | 12:10 | 26 min | 16 Apr |
| Sydney | 13:04 → 15:06 | 11:31 | 0 min | 11:31 | 48 min | 17 Apr |
| Suva | 15:04 → 17:06 | 11:42 | 0 min | 11:42 | 48 min | 17 Apr |