Ruling · Vasantotsava · 2040

Thursday 29 March

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 365 minutes.

Decide it for

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two sunrises

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

Sunrise of Thursday 29 March

Taken. The only sunrise Pratipadā holds at.

06:16 sunrise
05:0405:2805:5206:1606:4007:0407:28

Holds at sunrise

Sunrise of Friday 30 March

Pratipadā does not hold at sunrise. Not taken.

06:15 sunrise
05:0305:2705:5106:1506:3907:0307:27

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 00:12 on Thu 29 Mar to 23:10 on Thu 29 Mar.

    2040-03-28T15:11:46Z → 2040-03-29T14:10:26Z

  2. 02

    Kāla

    Sunrise is at 06:16 on the 29th and 06:15 on the 30th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 29th and is not on the 30th.

    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 21878 s

  5. 05

    Ruling

    Vasantotsava, Daegu, 2040: Thursday 29 March.

    confidence: determinate

Say it like this

In Daegu, Vasantotsava 2040 falls on Thursday 29 March. Pratipadā runs from 00:12 on Thu 29 Mar to 23:10 on Thu 29 Mar and is current at sunrise that day.

ahargana.org/daegu/festivals/2040/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 29 Mar
compat-drikpanchangComparison profileThu 29 Mar
No institution has a recorded ruling for Daegu.

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 28thCoveredSunrise 29thCoveredRuled
Los Angeles08:12 → 07:1006:45no06:44holds29 Mar
Chicago10:12 → 09:1006:39no06:38holds29 Mar
Jersey City11:12 → 10:1006:46no06:44holds29 Mar
Port of Spain11:12 → 10:1006:05no06:05holds29 Mar
London16:12 → 15:1006:44no06:42holds29 Mar
Durban17:12 → 16:1006:05no06:05holds29 Mar
Dubai19:12 → 18:1006:14no06:13holds29 Mar
Delhi20:42 → 19:4006:16no06:14holds29 Mar
Kolkata20:42 → 19:4005:33no05:32holds29 Mar
Singapore23:12 → 22:1007:06no07:06holds29 Mar
Sydney02:12 → 01:1007:05no07:06holds29 Mar
Suva03:12 → 02:1006:12no06:12holds29 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

About Ahargaṇa