Ruling · Vasantotsava · 2081

Wednesday 26 March

Boundaryin Daegu, under the Rashtriya Panchang method. A threshold is only 2 min 32 s away. Say “contested”.

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 Tuesday 25 March

Pratipadā does not hold at sunrise. Not taken.

06:22 sunrise
05:1005:3405:5806:2206:4607:1007:34

Absent at sunrise

Sunrise of Wednesday 26 March

Taken. The only sunrise Pratipadā holds at.

06:21 sunrise
Pratipadā ends 06:23:19
05:0905:3305:5706:2106:4507:0907:33

Holds 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 09:31 on Tue 25 Mar to 06:23 on Wed 26 Mar.

    2081-03-25T00:30:42Z → 2081-03-25T21:23:19Z

  2. 02

    Kāla

    Sunrise is at 06:22 on the 25th and 06:21 on the 26th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 25th and is on the 26th.

    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 152 s < 300 s

  5. 05

    Ruling

    Vasantotsava, Daegu, 2081: Wednesday 26 March.

    confidence: boundary (margin)

Say it like this

In Daegu, Vasantotsava 2081 falls on Wednesday 26 March. Pratipadā runs from 09:31 on Tue 25 Mar to 06:23 on Wed 26 Mar and is current at sunrise that day. It is 2 min 32 s from a threshold: treat the date as contested.

ahargana.org/daegu/festivals/2081/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 26 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 25 Mar
compat-drikpanchangComparison profileWed 26 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 25thCoveredSunrise 26thCoveredRuled
Los Angeles17:31 → 14:2306:49holds06:48no25 Mar
Chicago19:31 → 16:2306:45holds06:43no25 Mar
Jersey City20:31 → 17:2306:51holds06:49no25 Mar
Port of Spain20:31 → 17:2306:07holds06:07no25 Mar
London00:31 → 21:2305:51holds05:49no25 Mar
Durban02:31 → 23:2306:03holds06:04no25 Mar
Dubai04:31 → 01:2306:18holds06:17no25 Mar
Delhi06:01 → 02:5306:19holds06:18no25 Mar
Kolkata06:01 → 02:5305:36no05:35no25 Mar
Singapore08:31 → 05:2307:07no07:07no25 Mar
Sydney11:31 → 08:2307:03no07:03holds26 Mar
Suva12:31 → 09:2306:12no06:12holds26 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

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