Ruling · Vasantotsava · 2045

Saturday 4 March

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 104 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 3 March

Pratipadā does not hold at sunrise. Not taken.

06:14 sunrise
05:0205:2605:5006:1406:3807:0207:26

Absent at sunrise

Sunrise of Saturday 4 March

Taken. The only sunrise Pratipadā holds at.

06:13 sunrise
05:0105:2505:4906:1306:3707:0107:25

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 10:53 on Fri 3 Mar to 07:57 on Sat 4 Mar.

    2045-03-03T07:52:45Z → 2045-03-04T04:56:47Z

  2. 02

    Kāla

    Sunrise is at 06:14 on the 3rd and 06:13 on the 4th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 3rd and is on the 4th.

    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 6226 s

  5. 05

    Ruling

    Vasantotsava, Riyadh, 2045: Saturday 4 March.

    confidence: determinate

Say it like this

In Riyadh, Vasantotsava 2045 falls on Saturday 4 March. Pratipadā runs from 10:53 on Fri 3 Mar to 07:57 on Sat 4 Mar and is current at sunrise that day.

ahargana.org/riyadh/festivals/2045/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 4 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 4 Mar
compat-drikpanchangComparison profileSat 4 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 3rdCoveredSunrise 4thCoveredRuled
Los Angeles23:53 → 20:5706:19holds06:17no3 Mar
Chicago01:53 → 22:5706:22holds06:20no3 Mar
Jersey City02:53 → 23:5706:27holds06:25no3 Mar
Port of Spain03:53 → 00:5706:20holds06:19no3 Mar
London07:53 → 04:5706:41no06:39no3 Mar
Durban09:53 → 06:5705:49no05:49holds4 Mar
Dubai11:53 → 08:5706:40no06:39holds4 Mar
Delhi13:23 → 10:2706:44no06:43holds4 Mar
Kolkata13:23 → 10:2705:56no05:55holds4 Mar
Singapore15:53 → 12:5707:14no07:14holds4 Mar
Sydney18:53 → 15:5706:45no06:46holds4 Mar
Suva19:53 → 16:5706:06no06:06holds4 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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