Sunrise of Thursday 4 March
Taken. Pratipadā reaches neither sunrise; this is the day it falls on.
06:12 sunrise
05:0005:2405:4806:1206:3607:0007:24
Absent at sunrise
Ruling · Vasantotsava · 2083
Boundaryin Luanda, 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 4 March
Taken. Pratipadā reaches neither sunrise; this is the day it falls on.
Absent at sunrise
Sunrise of Friday 5 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Aṅga
Pratipadā runs from 08:36 on Thu 4 Mar to 06:11 on Fri 5 Mar.
2083-03-04T07:35:57Z → 2083-03-05T05:10:58Z
Kāla
Sunrise is at 06:12 on the 4th and 06:12 on the 5th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is not on the 4th and is not on the 5th.
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 50 s < 300 s
Ruling
Vasantotsava, Luanda, 2083: Thursday 4 March.
confidence: boundary (margin, absent-unstated)
In Luanda, Vasantotsava 2083 falls on Thursday 4 March. Pratipadā runs from 08:36 on Thu 4 Mar to 06:11 on Fri 5 Mar, and is current at sunrise on neither day. It is 0 min 50 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 4 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 4 Mar |
| compat-drikpanchang | Comparison profile | Thu 4 Mar |
| No institution has a recorded ruling for Luanda. | ||
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 4th | Covered | Sunrise 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:36 → 21:11 | 06:18 | holds | 06:17 | no | 4 Mar |
| Chicago | 01:36 → 23:11 | 06:21 | holds | 06:19 | no | 4 Mar |
| Jersey City | 02:36 → 00:11 | 06:26 | holds | 06:24 | no | 4 Mar |
| Port of Spain | 03:36 → 01:11 | 06:19 | holds | 06:19 | no | 4 Mar |
| London | 07:36 → 05:11 | 06:39 | no | 06:37 | no | 4 Mar |
| Durban | 09:36 → 07:11 | 05:49 | no | 05:50 | holds | 5 Mar |
| Dubai | 11:36 → 09:11 | 06:39 | no | 06:38 | holds | 5 Mar |
| Delhi | 13:06 → 10:41 | 06:44 | no | 06:42 | holds | 5 Mar |
| Kolkata | 13:06 → 10:41 | 05:56 | no | 05:55 | holds | 5 Mar |
| Singapore | 15:36 → 13:11 | 07:14 | no | 07:14 | holds | 5 Mar |
| Sydney | 18:36 → 16:11 | 06:46 | no | 06:47 | holds | 5 Mar |
| Suva | 19:36 → 17:11 | 06:06 | no | 06:07 | holds | 5 Mar |