Sunrise of Wednesday 11 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Ruling · Vasantotsava · 2009
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 13 minutes.
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Wednesday 11 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Sunrise of Thursday 12 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Aṅga
Pratipadā runs from 06:08 on Wed 11 Mar to 04:32 on Thu 12 Mar.
2009-03-11T02:37:44Z → 2009-03-12T01:01:38Z
Kāla
Sunrise is at 06:21 on the 11th and 06:20 on the 12th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is on the 11th and is not on the 12th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one sunrise qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 806 s
Ruling
Vasantotsava, Tehran, 2009: Wednesday 11 March.
confidence: determinate
In Tehran, Vasantotsava 2009 falls on Wednesday 11 March. Pratipadā runs from 06:08 on Wed 11 Mar to 04:32 on Thu 12 Mar and is current at sunrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 11 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 11 Mar |
| compat-drikpanchang | Comparison profile | Wed 11 Mar |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/vasantotsava · ruleset 2026.3-draft
“K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Pratipadā | Sunrise 11th | Covered | Sunrise 12th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:38 → 18:02 | 07:09 | holds | 07:07 | no | 11 Mar |
| Chicago | 21:38 → 20:02 | 07:09 | holds | 07:07 | no | 11 Mar |
| Jersey City | 22:38 → 21:02 | 07:14 | holds | 07:13 | no | 11 Mar |
| Port of Spain | 22:38 → 21:02 | 06:16 | holds | 06:15 | no | 11 Mar |
| London | 02:38 → 01:02 | 06:24 | holds | 06:22 | no | 11 Mar |
| Durban | 04:38 → 03:02 | 05:54 | holds | 05:55 | no | 11 Mar |
| Dubai | 06:38 → 05:02 | 06:32 | no | 06:31 | no | 11 Mar |
| Delhi | 08:08 → 06:32 | 06:36 | no | 06:35 | no | 11 Mar |
| Kolkata | 08:08 → 06:32 | 05:49 | no | 05:49 | holds | 12 Mar |
| Singapore | 10:38 → 09:02 | 07:12 | no | 07:12 | holds | 12 Mar |
| Sydney | 13:38 → 12:02 | 06:51 | no | 06:52 | holds | 12 Mar |
| Suva | 14:38 → 13:02 | 06:08 | no | 06:08 | holds | 12 Mar |