Ruling · Vasantotsava · 1934

Thursday 1 March

Boundaryin Lima, under the Rashtriya Panchang method. A threshold is only 4 min 12 s away. Say “contested”.

Decide it for

12°03′ S 77°02′ W · America/Lima · GeoNames 3936456

The two sunrises

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

Sunrise of Thursday 1 March

Taken. Both sunrises qualify; the rule takes the first.

06:11 sunrise
Pratipadā begins 05:25:34
04:5905:2305:4706:1106:3506:5907:23

Holds at sunrise

Sunrise of Friday 2 March

Pratipadā holds at sunrise here too. Not taken.

06:11 sunrise
Pratipadā ends 06:15:08
04:5905:2305:4706:1106:3506:5907:23

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 05:26 on Thu 1 Mar to 06:15 on Fri 2 Mar.

    1934-03-01T10:25:35Z → 1934-03-02T11:15:09Z

  2. 02

    Kāla

    Sunrise is at 06:11 on the 1st and 06:11 on the 2nd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 1st and is on the 2nd.

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

  4. 04

    Tie-break

    Both sunrises qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 252 s < 300 s

  5. 05

    Ruling

    Vasantotsava, Lima, 1934: Thursday 1 March.

    confidence: boundary (margin)

Say it like this

In Lima, Vasantotsava 1934 falls on Thursday 1 March. Pratipadā runs from 05:26 on Thu 1 Mar to 06:15 on Fri 2 Mar and is current at sunrise that day. It is 4 min 12 s from a threshold: treat the date as contested.

ahargana.org/lima/festivals/1934/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 1 Mar
compat-drikpanchangComparison profileThu 1 Mar
No institution has a recorded ruling for Lima.

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 1stCoveredSunrise 2ndCoveredRuled
Los Angeles02:26 → 03:1506:23holds06:21no1 Mar
Chicago04:26 → 05:1506:27holds06:25no1 Mar
Jersey City05:26 → 06:1506:32holds06:30no1 Mar
Port of Spain06:26 → 07:1506:21no06:21holds2 Mar
London10:26 → 11:1506:48no06:46holds2 Mar
Durban12:26 → 13:1505:47no05:47holds2 Mar
Dubai14:26 → 15:1506:43no06:42holds2 Mar
Delhi15:56 → 16:4506:48no06:46holds2 Mar
Kolkata15:56 → 16:4505:59no05:58holds2 Mar
Singapore17:46 → 18:3506:35no06:35holds2 Mar
Sydney20:26 → 21:1505:42no05:43holds2 Mar
Suva22:26 → 23:1506:05no06:05holds2 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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