Sunrise of Friday 16 March
Pratipadā does not hold at sunrise. Not taken.
05:55 sunrise
04:4305:0705:3105:5506:1906:4307:07
Absent at sunrise
Ruling · Vasantotsava · 1900
Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 490 minutes.
Decide it for
22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733
One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.
Sunrise of Friday 16 March
Pratipadā does not hold at sunrise. Not taken.
Absent at sunrise
Sunrise of Saturday 17 March
Taken. The only sunrise Pratipadā holds at.
Holds at sunrise
Aṅga
Pratipadā runs from 14:05 on Fri 16 Mar to 16:24 on Sat 17 Mar.
1900-03-16T08:11:48Z → 1900-03-17T10:31:05Z
Kāla
Sunrise is at 05:55 on the 16th and 05:54 on the 17th.
sunrise: upper limb, 31′ + 16′
Rule
Pratipadā must be current at sunrise. It is not on the 16th and is 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 29412 s
Ruling
Vasantotsava, Chattogram, 1900: Saturday 17 March.
confidence: determinate
In Chattogram, Vasantotsava 1900 falls on Saturday 17 March. Pratipadā runs from 14:05 on Fri 16 Mar to 16:24 on Sat 17 Mar and is current at sunrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 17 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 17 Mar |
| compat-drikpanchang | Comparison profile | Sat 17 Mar |
| No institution has a recorded ruling for Chattogram. | ||
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 16th | Covered | Sunrise 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:12 → 02:31 | 06:03 | holds | 06:01 | no | 16 Mar |
| Chicago | 02:12 → 04:31 | 06:02 | holds | 06:00 | no | 16 Mar |
| Jersey City | 03:12 → 05:31 | 06:07 | holds | 06:06 | no | 16 Mar |
| Port of Spain | 04:12 → 06:31 | 06:13 | holds | 06:13 | holds | 16 Mar |
| London | 08:12 → 10:31 | 06:14 | no | 06:12 | holds | 17 Mar |
| Durban | 09:42 → 12:01 | 05:27 | no | 05:27 | holds | 17 Mar |
| Dubai | 11:53 → 14:12 | 06:09 | no | 06:08 | holds | 17 Mar |
| Delhi | 13:33 → 15:52 | 06:22 | no | 06:21 | holds | 17 Mar |
| Kolkata | 13:33 → 15:52 | 05:36 | no | 05:36 | holds | 17 Mar |
| Singapore | 15:07 → 17:26 | 06:06 | no | 06:05 | holds | 17 Mar |
| Sydney | 18:12 → 20:31 | 05:55 | no | 05:56 | holds | 17 Mar |
| Suva | 20:07 → 22:26 | 06:04 | no | 06:05 | holds | 17 Mar |