Ruling · Vasantotsava · 2025

Friday 14 March

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 178 minutes.

Decide it for

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two sunrises

One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.

Sunrise of Friday 14 March

Taken. The only sunrise Pratipadā holds at.

07:04 sunrise
05:5206:1606:4007:0407:2807:5208:16

Holds at sunrise

Sunrise of Saturday 15 March

Pratipadā does not hold at sunrise. Not taken.

07:02 sunrise
05:5006:1406:3807:0207:2607:5008:14

Absent at sunrise

Pratipadā presentSunrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 01:55 on Fri 14 Mar to 04:04 on Sat 15 Mar.

    2025-03-14T06:54:39Z → 2025-03-15T09:03:40Z

  2. 02

    Kāla

    Sunrise is at 07:04 on the 14th and 07:02 on the 15th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 14th and is not on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one sunrise qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 10708 s

  5. 05

    Ruling

    Vasantotsava, Chicago, 2025: Friday 14 March.

    confidence: determinate

Say it like this

In Chicago, Vasantotsava 2025 falls on Friday 14 March. Pratipadā runs from 01:55 on Fri 14 Mar to 04:04 on Sat 15 Mar and is current at sunrise that day.

ahargana.org/chicago/festivals/2025/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 14 Mar
compat-drikpanchangComparison profileFri 14 Mar
No institution has a recorded ruling for Chicago.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/vasantotsava · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Pratipadā
Kāla
Sunrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“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.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunrise 14thCoveredSunrise 15thCoveredRuled
Los Angeles23:55 → 02:0407:04holds07:03no14 Mar
Chicago01:55 → 04:0407:04holds07:02no14 Mar
Jersey City02:55 → 05:0407:09holds07:08no14 Mar
Port of Spain02:55 → 05:0406:14holds06:13no14 Mar
London06:55 → 09:0406:17no06:15holds15 Mar
Durban08:55 → 11:0405:56no05:56holds15 Mar
Dubai10:55 → 13:0406:29no06:28holds15 Mar
Delhi12:25 → 14:3406:32no06:31holds15 Mar
Kolkata12:25 → 14:3405:47no05:46holds15 Mar
Singapore14:55 → 17:0407:11no07:11holds15 Mar
Sydney17:55 → 20:0406:54no06:55holds15 Mar
Suva18:55 → 21:0406:09no06:09holds15 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasantotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s