Sunrise of Thursday 16 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Ruling · Vasantotsava · 2090
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 180 minutes.
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Thursday 16 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Sunrise of Friday 17 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Aṅga
Pratipadā runs from 03:14 on Thu 16 Mar to 23:44 on Thu 16 Mar.
2090-03-15T23:43:35Z → 2090-03-16T20:14:12Z
Kāla
Sunrise is at 06:14 on the 16th and 06:12 on the 17th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is on the 16th and is not on the 17th.
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 10816 s
Ruling
Vasantotsava, Tehran, 2090: Thursday 16 March.
confidence: determinate
In Tehran, Vasantotsava 2090 falls on Thursday 16 March. Pratipadā runs from 03:14 on Thu 16 Mar to 23:44 on Thu 16 Mar and is current at sunrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 16 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 16 Mar |
| compat-drikpanchang | Comparison profile | Thu 16 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 15th | Covered | Sunrise 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 16:44 → 13:14 | 07:03 | no | 07:02 | holds | 16 Mar |
| Chicago | 18:44 → 15:14 | 07:02 | no | 07:00 | holds | 16 Mar |
| Jersey City | 19:44 → 16:14 | 07:08 | no | 07:06 | holds | 16 Mar |
| Port of Spain | 19:44 → 16:14 | 06:13 | no | 06:13 | holds | 16 Mar |
| London | 23:44 → 20:14 | 06:14 | no | 06:12 | holds | 16 Mar |
| Durban | 01:44 → 22:14 | 05:57 | no | 05:57 | holds | 16 Mar |
| Dubai | 03:44 → 00:14 | 06:28 | no | 06:27 | holds | 16 Mar |
| Delhi | 05:14 → 01:44 | 06:31 | no | 06:30 | holds | 16 Mar |
| Kolkata | 05:14 → 01:44 | 05:46 | no | 05:45 | holds | 16 Mar |
| Singapore | 07:44 → 04:14 | 07:11 | no | 07:10 | no | 16 Mar |
| Sydney | 10:44 → 07:14 | 06:55 | no | 06:56 | no | 17 Mar |
| Suva | 11:44 → 08:14 | 06:09 | no | 06:10 | no | 17 Mar |