Sunrise of Thursday 27 March
Pratipadā does not hold at sunrise. Not taken.
06:00 sunrise
04:4805:1205:3606:0006:2406:4807:12
Absent at sunrise
Ruling · Vasantotsava · 1975
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 283 minutes.
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Thursday 27 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Sunrise of Friday 28 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Aṅga
Pratipadā runs from 14:06 on Thu 27 Mar to 10:41 on Fri 28 Mar.
1975-03-27T10:36:02Z → 1975-03-28T07:10:58Z
Kāla
Sunrise is at 06:00 on the 27th and 05:58 on the 28th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is not on the 27th and is on the 28th.
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 16974 s
Ruling
Vasantotsava, Tehran, 1975: Friday 28 March.
confidence: determinate
In Tehran, Vasantotsava 1975 falls on Friday 28 March. Pratipadā runs from 14:06 on Thu 27 Mar to 10:41 on Fri 28 Mar and is current at sunrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 28 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 28 Mar |
| compat-drikpanchang | Comparison profile | Fri 28 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 27th | Covered | Sunrise 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 03:36 → 00:11 | 06:48 | holds | 06:47 | no | 27 Mar |
| Chicago | 05:36 → 02:11 | 06:43 | holds | 06:41 | no | 27 Mar |
| Jersey City | 06:36 → 03:11 | 06:49 | holds | 06:48 | no | 27 Mar |
| Port of Spain | 06:36 → 03:11 | 06:07 | no | 06:06 | no | 27 Mar |
| London | 11:36 → 08:11 | 06:49 | no | 06:47 | holds | 28 Mar |
| Durban | 12:36 → 09:11 | 06:03 | no | 06:04 | holds | 28 Mar |
| Dubai | 14:36 → 11:11 | 06:17 | no | 06:16 | holds | 28 Mar |
| Delhi | 16:06 → 12:41 | 06:18 | no | 06:17 | holds | 28 Mar |
| Kolkata | 16:06 → 12:41 | 05:35 | no | 05:34 | holds | 28 Mar |
| Singapore | 18:06 → 14:41 | 06:37 | no | 06:37 | holds | 28 Mar |
| Sydney | 20:36 → 17:11 | 06:03 | no | 06:04 | holds | 28 Mar |
| Suva | 22:36 → 19:11 | 06:12 | no | 06:12 | holds | 28 Mar |