Midday of Saturday 31 March
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 12:45 13:33 madhyāhna ends
Navamī begins 12:42:21
11:5712:2112:4513:0913:3313:5714:21
48 of 48 minutes covered
Ruling · Rāma Navamī · 2012
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 31 March
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Sunday 1 April
Qualifies with 24 of 48 minutes. Not taken.
24 of 48 minutes covered, the first 24
Aṅga
Navamī runs from 12:42 on Sat 31 Mar to 13:08 on Sun 1 Apr.
2012-03-31T08:12:21Z → 2012-04-01T08:38:11Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:45–13:33 on the 31st, 12:44–13:32 on the 1st.
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 31st and 24 of 48 on the 1st.
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 140 s < 300 s
Ruling
Rāma Navamī, Tehran, 2012: Saturday 31 March.
confidence: boundary (margin, tie-break-unstated)
In Tehran, Rāma Navamī 2012 falls on Saturday 31 March. Navamī runs from 12:42 on Sat 31 Mar to 13:08 on Sun 1 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 24 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 20 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 31 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 31 Mar |
| compat-drikpanchang | Comparison profile | Sat 31 Mar |
| 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 31st | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:12 → 01:38 | 12:33 | 48 min | 12:33 | 0 min | 31 Mar |
| Chicago | 03:12 → 03:38 | 12:31 | 48 min | 12:31 | 0 min | 31 Mar |
| Jersey City | 04:12 → 04:38 | 12:37 | 48 min | 12:36 | 0 min | 31 Mar |
| Port of Spain | 04:12 → 04:38 | 11:46 | 48 min | 11:46 | 0 min | 31 Mar |
| London | 09:12 → 09:38 | 12:41 | 48 min | 12:41 | 0 min | 31 Mar |
| Durban | 10:12 → 10:38 | 11:36 | 48 min | 11:35 | 0 min | 31 Mar |
| Dubai | 12:12 → 12:38 | 11:59 | 35 min | 11:59 | 39 min | 1 Apr |
| Delhi | 13:42 → 14:08 | 12:01 | 0 min | 12:01 | 48 min | 1 Apr |
| Kolkata | 13:42 → 14:08 | 11:17 | 0 min | 11:17 | 48 min | 1 Apr |
| Singapore | 16:12 → 16:38 | 12:45 | 0 min | 12:44 | 48 min | 1 Apr |
| Sydney | 19:12 → 18:38 | 12:35 | 0 min | 11:35 | 48 min | 1 Apr |
| Suva | 20:12 → 20:38 | 11:46 | 0 min | 11:46 | 48 min | 1 Apr |