Sunrise of Thursday 25 March
Taken. Pratipadā reaches neither sunrise; this is the day it falls on.
06:02 sunrise
Pratipadā begins 06:40:06
04:5005:1405:3806:0206:2606:5007:14
Absent at sunrise
Ruling · Vasantotsava · 1948
Boundaryin Tehran, under the Rashtriya Panchang method. Pratipadā reaches sunrise on neither day and the rule does not say what then. Say “contested”.
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Thursday 25 March
Taken. Pratipadā reaches neither sunrise; this is the day it falls on.
Absent at sunrise
Sunrise of Friday 26 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Aṅga
Pratipadā runs from 06:40 on Thu 25 Mar to 03:53 on Fri 26 Mar.
1948-03-25T03:10:07Z → 1948-03-26T00:22:38Z
Kāla
Sunrise is at 06:02 on the 25th and 06:00 on the 26th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is not on the 25th and is not on the 26th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Neither sunrise qualifies. The day the tithi falls on is taken.
priority: purvaviddha → tithi-day · margin 2309 s
Ruling
Vasantotsava, Tehran, 1948: Thursday 25 March.
confidence: boundary (absent-unstated)
In Tehran, Vasantotsava 1948 falls on Thursday 25 March. Pratipadā runs from 06:40 on Thu 25 Mar to 03:53 on Fri 26 Mar, and is current at sunrise on neither day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 25 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 25 Mar |
| compat-drikpanchang | Comparison profile | Thu 25 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 25th | Covered | Sunrise 26th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:10 → 17:23 | 06:50 | holds | 06:49 | no | 25 Mar |
| Chicago | 21:10 → 18:23 | 05:46 | holds | 05:44 | no | 25 Mar |
| Jersey City | 22:10 → 19:23 | 05:52 | holds | 05:50 | no | 25 Mar |
| Port of Spain | 23:10 → 20:23 | 06:08 | holds | 06:07 | no | 25 Mar |
| London | 04:10 → 01:23 | 06:53 | holds | 06:50 | no | 25 Mar |
| Durban | 05:10 → 02:23 | 06:02 | holds | 06:03 | no | 25 Mar |
| Dubai | 07:10 → 04:23 | 06:18 | no | 06:17 | no | 25 Mar |
| Delhi | 08:40 → 05:53 | 06:20 | no | 06:19 | no | 25 Mar |
| Kolkata | 08:40 → 05:53 | 05:37 | no | 05:36 | holds | 26 Mar |
| Singapore | 10:40 → 07:53 | 06:38 | no | 06:37 | holds | 26 Mar |
| Sydney | 13:10 → 10:23 | 06:02 | no | 06:03 | holds | 26 Mar |
| Suva | 15:10 → 12:23 | 06:11 | no | 06:12 | holds | 26 Mar |