Ruling · Vasantotsava · 2074

Tuesday 13 March

Boundaryin Algiers, under the Rashtriya Panchang method. Pratipadā reaches sunrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

36°44′ N 3°05′ E · Africa/Algiers · GeoNames 2507480

The two sunrises

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

Sunrise of Tuesday 13 March

Taken. Pratipadā reaches neither sunrise; this is the day it falls on.

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

Absent at sunrise

Sunrise of Wednesday 14 March

Pratipadā does not hold at sunrise. Not taken.

07:00 sunrise
Pratipadā ends 06:59:12
05:4806:1206:3607:0007:2407:4808:12

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 10:02 on Tue 13 Mar to 06:59 on Wed 14 Mar.

    2074-03-13T09:02:08Z → 2074-03-14T05:59:13Z

  2. 02

    Kāla

    Sunrise is at 07:02 on the 13th and 07:00 on the 14th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 13th and is not on the 14th.

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

  4. 04

    Tie-break

    Neither sunrise qualifies. The day the tithi falls on is taken.

    priority: purvaviddha → tithi-day · margin 53 s < 300 s

  5. 05

    Ruling

    Vasantotsava, Algiers, 2074: Tuesday 13 March.

    confidence: boundary (margin, absent-unstated)

Say it like this

In Algiers, Vasantotsava 2074 falls on Tuesday 13 March. Pratipadā runs from 10:02 on Tue 13 Mar to 06:59 on Wed 14 Mar, and is current at sunrise on neither day. It is 0 min 53 s from a threshold: treat the date as contested.

ahargana.org/algiers/festivals/2074/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 13 Mar
compat-drikpanchangComparison profileTue 13 Mar
No institution has a recorded ruling for Algiers.

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 13thCoveredSunrise 14thCoveredRuled
Los Angeles02:02 → 22:5907:06holds07:04no13 Mar
Chicago04:02 → 00:5907:05holds07:04no13 Mar
Jersey City05:02 → 01:5907:11holds07:09no13 Mar
Port of Spain05:02 → 01:5906:14holds06:14no13 Mar
London09:02 → 05:5906:19no06:17no13 Mar
Durban11:02 → 07:5905:55no05:56holds14 Mar
Dubai13:02 → 09:5906:30no06:29holds14 Mar
Delhi14:32 → 11:2906:33no06:32holds14 Mar
Kolkata14:32 → 11:2905:48no05:47holds14 Mar
Singapore17:02 → 13:5907:11no07:11holds14 Mar
Sydney20:02 → 16:5906:53no06:54holds14 Mar
Suva21:02 → 17:5906:09no06:09holds14 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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