Ruling · Vasantotsava · 1968

Friday 15 March

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 490 minutes.

Decide it for

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two sunrises

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

Sunrise of Friday 15 March

Taken. The only sunrise Pratipadā holds at.

06:03 sunrise
04:5105:1505:3906:0306:2706:5107:15

Holds at sunrise

Sunrise of Saturday 16 March

Pratipadā does not hold at sunrise. Not taken.

06:02 sunrise
04:5005:1405:3806:0206:2606:5007:14

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 21:52 on Thu 14 Mar to 19:09 on Fri 15 Mar.

    1968-03-14T18:52:18Z → 1968-03-15T16:09:10Z

  2. 02

    Kāla

    Sunrise is at 06:03 on the 15th and 06:02 on the 16th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 15th and is not on the 16th.

    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 29422 s

  5. 05

    Ruling

    Vasantotsava, Riyadh, 1968: Friday 15 March.

    confidence: determinate

Say it like this

In Riyadh, Vasantotsava 1968 falls on Friday 15 March. Pratipadā runs from 21:52 on Thu 14 Mar to 19:09 on Fri 15 Mar and is current at sunrise that day.

ahargana.org/riyadh/festivals/1968/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 15 Mar
compat-drikpanchangComparison profileFri 15 Mar
No institution has a recorded ruling for Riyadh.

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 14thCoveredSunrise 15thCoveredRuled
Los Angeles10:52 → 08:0906:05no06:03holds15 Mar
Chicago12:52 → 10:0906:04no06:03holds15 Mar
Jersey City13:52 → 11:0906:10no06:08holds15 Mar
Port of Spain14:52 → 12:0906:14no06:13holds15 Mar
London19:52 → 17:0907:17no07:15holds15 Mar
Durban20:52 → 18:0905:56no05:56holds15 Mar
Dubai22:52 → 20:0906:29no06:28holds15 Mar
Delhi00:22 → 21:3906:32no06:31holds15 Mar
Kolkata00:22 → 21:3905:47no05:46holds15 Mar
Singapore02:22 → 23:3906:41no06:41holds15 Mar
Sydney04:52 → 02:0905:54no05:54holds15 Mar
Suva06:52 → 04:0906:09no06:09no15 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