Sunrise of Friday 12 March
Taken. Both sunrises qualify; the rule takes the first.
06:21 sunrise
Pratipadā begins 06:03:34
05:0905:3305:5706:2106:4507:0907:33
Holds at sunrise
Ruling · Vasantotsava · 1971
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 17 minutes.
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Friday 12 March
Taken. Both sunrises qualify; the rule takes the first.
Holds at sunrise
Sunrise of Saturday 13 March
Pratipadā holds at sunrise here too. Not taken.
Holds at sunrise
Aṅga
Pratipadā runs from 06:04 on Fri 12 Mar to 08:39 on Sat 13 Mar.
1971-03-12T02:33:34Z → 1971-03-13T05:09:16Z
Kāla
Sunrise is at 06:21 on the 12th and 06:20 on the 13th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is on the 12th and is on the 13th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Both sunrises qualify. Pūrvaviddhā: the first is taken.
priority: purvaviddha → purvaviddha · margin 1042 s
Ruling
Vasantotsava, Tehran, 1971: Friday 12 March.
confidence: determinate
In Tehran, Vasantotsava 1971 falls on Friday 12 March. Pratipadā runs from 06:04 on Fri 12 Mar to 08:39 on Sat 13 Mar and is current at sunrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 12 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 12 Mar |
| compat-drikpanchang | Comparison profile | Fri 12 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 12th | Covered | Sunrise 13th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 18:34 → 21:09 | 06:08 | holds | 06:07 | no | 12 Mar |
| Chicago | 20:34 → 23:09 | 06:09 | holds | 06:07 | no | 12 Mar |
| Jersey City | 21:34 → 00:09 | 06:14 | holds | 06:13 | no | 12 Mar |
| Port of Spain | 22:34 → 01:09 | 06:16 | holds | 06:15 | no | 12 Mar |
| London | 03:34 → 06:09 | 07:23 | holds | 07:21 | no | 12 Mar |
| Durban | 04:34 → 07:09 | 05:54 | holds | 05:55 | holds | 12 Mar |
| Dubai | 06:34 → 09:09 | 06:32 | no | 06:31 | holds | 13 Mar |
| Delhi | 08:04 → 10:39 | 06:36 | no | 06:34 | holds | 13 Mar |
| Kolkata | 08:04 → 10:39 | 05:49 | no | 05:48 | holds | 13 Mar |
| Singapore | 10:04 → 12:39 | 06:42 | no | 06:42 | holds | 13 Mar |
| Sydney | 12:34 → 15:09 | 05:52 | no | 05:52 | holds | 13 Mar |
| Suva | 14:34 → 17:09 | 06:08 | no | 06:08 | holds | 13 Mar |