Ruling · Vasantotsava · 2003

Tuesday 18 March

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

Decide it for

14°42′ N 17°27′ W · Africa/Dakar · GeoNames 2253354

The two sunrises

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

Sunrise of Tuesday 18 March

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

07:16 sunrise
06:0406:2806:5207:1607:4008:0408:28

Absent at sunrise

Sunrise of Wednesday 19 March

Pratipadā does not hold at sunrise. Not taken.

07:15 sunrise
Pratipadā ends 07:06:50
06:0306:2706:5107:1507:3908:0308:27

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 10:35 on Tue 18 Mar to 07:07 on Wed 19 Mar.

    2003-03-18T10:34:34Z → 2003-03-19T07:06:50Z

  2. 02

    Kāla

    Sunrise is at 07:16 on the 18th and 07:15 on the 19th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 18th and is not on the 19th.

    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 504 s

  5. 05

    Ruling

    Vasantotsava, Dakar, 2003: Tuesday 18 March.

    confidence: boundary (absent-unstated)

Say it like this

In Dakar, Vasantotsava 2003 falls on Tuesday 18 March. Pratipadā runs from 10:35 on Tue 18 Mar to 07:07 on Wed 19 Mar, and is current at sunrise on neither day.

ahargana.org/dakar/festivals/2003/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 18 Mar
compat-drikpanchangComparison profileTue 18 Mar
No institution has a recorded ruling for Dakar.

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 18thCoveredSunrise 19thCoveredRuled
Los Angeles02:35 → 23:0706:00holds05:59no18 Mar
Chicago04:35 → 01:0705:58holds05:56no18 Mar
Jersey City05:35 → 02:0706:04holds06:02no18 Mar
Port of Spain06:35 → 03:0706:12no06:11no18 Mar
London10:35 → 07:0706:09no06:07holds19 Mar
Durban12:35 → 09:0705:58no05:59holds19 Mar
Dubai14:35 → 11:0706:26no06:25holds19 Mar
Delhi16:05 → 12:3706:28no06:27holds19 Mar
Kolkata16:05 → 12:3705:43no05:43holds19 Mar
Singapore18:35 → 15:0707:10no07:10holds19 Mar
Sydney21:35 → 18:0706:56no06:57holds19 Mar
Suva22:35 → 19:0706:10no06:10holds19 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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