Midday of Saturday 4 April
Qualifies with 39 of 48 minutes. Not taken.
madhyāhna begins 12:44 13:32 madhyāhna ends
Navamī begins 12:52:24
11:5612:2012:4413:0813:3213:5614:20
39 of 48 minutes covered, the last 39
Ruling · Rāma Navamī · 1998
Boundaryin Tehran, 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 Saturday 4 April
Qualifies with 39 of 48 minutes. Not taken.
39 of 48 minutes covered, the last 39
Midday of Sunday 5 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Navamī runs from 12:52 on Sat 4 Apr to 13:35 on Sun 5 Apr.
1998-04-04T08:22:25Z → 1998-04-05T09:04:51Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:44–13:32 on the 4th, 12:43–13:31 on the 5th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 39 of 48 minutes on the 4th and 48 of 48 on the 5th.
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 206 s < 300 s
Ruling
Rāma Navamī, Tehran, 1998: Sunday 5 April.
confidence: boundary (margin, tie-break-unstated)
In Tehran, Rāma Navamī 1998 falls on Sunday 5 April. Navamī runs from 12:52 on Sat 4 Apr to 13:35 on Sun 5 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 39 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 26 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 5 Apr |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 5 Apr |
| compat-drikpanchang | Comparison profile | Sun 5 Apr |
| No institution has a recorded ruling for Tehran. | ||
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 4th | Covered | Madhyāhna 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:22 → 01:05 | 11:32 | 48 min | 12:32 | 0 min | 4 Apr |
| Chicago | 02:22 → 04:05 | 11:30 | 48 min | 12:30 | 0 min | 4 Apr |
| Jersey City | 03:22 → 05:05 | 11:36 | 48 min | 12:35 | 0 min | 4 Apr |
| Port of Spain | 04:22 → 05:05 | 11:45 | 48 min | 11:45 | 0 min | 4 Apr |
| London | 09:22 → 10:05 | 12:40 | 48 min | 12:40 | 0 min | 4 Apr |
| Durban | 10:22 → 11:05 | 11:35 | 48 min | 11:34 | 0 min | 4 Apr |
| Dubai | 12:22 → 13:05 | 11:58 | 24 min | 11:58 | 48 min | 5 Apr |
| Delhi | 13:52 → 14:35 | 12:00 | 0 min | 12:00 | 48 min | 5 Apr |
| Kolkata | 13:52 → 14:35 | 11:16 | 0 min | 11:16 | 48 min | 5 Apr |
| Singapore | 16:22 → 17:05 | 12:44 | 0 min | 12:43 | 48 min | 5 Apr |
| Sydney | 18:22 → 19:05 | 11:34 | 0 min | 11:34 | 48 min | 5 Apr |
| Suva | 20:22 → 21:05 | 11:45 | 0 min | 11:45 | 48 min | 5 Apr |