Ruling · Vasantotsava · 2005

Saturday 26 March

Determinatein Perth, under the Rashtriya Panchang method. Clear of every threshold by 78 minutes.

Decide it for

31°57′ S 115°52′ E · Australia/Perth · GeoNames 2063523

The two sunrises

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

Sunrise of Saturday 26 March

Taken. The only sunrise Pratipadā holds at.

06:24 sunrise
05:1205:3606:0006:2406:4807:1207:36

Holds at sunrise

Sunrise of Sunday 27 March

Pratipadā does not hold at sunrise. Not taken.

06:25 sunrise
05:1305:3706:0106:2506:4907:1307:37

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 04:59 on Sat 26 Mar to 05:07 on Sun 27 Mar.

    2005-03-25T20:58:32Z → 2005-03-26T21:06:35Z

  2. 02

    Kāla

    Sunrise is at 06:24 on the 26th and 06:25 on the 27th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 26th and is not on the 27th.

    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 4686 s

  5. 05

    Ruling

    Vasantotsava, Perth, 2005: Saturday 26 March.

    confidence: determinate

Say it like this

In Perth, Vasantotsava 2005 falls on Saturday 26 March. Pratipadā runs from 04:59 on Sat 26 Mar to 05:07 on Sun 27 Mar and is current at sunrise that day.

ahargana.org/perth/festivals/2005/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 26 Mar
compat-drikpanchangComparison profileSat 26 Mar
No institution has a recorded ruling for Perth.

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 25thCoveredSunrise 26thCoveredRuled
Los Angeles12:59 → 13:0705:50no05:48holds26 Mar
Chicago14:59 → 15:0705:45no05:44holds26 Mar
Jersey City15:59 → 16:0705:51no05:50holds26 Mar
Port of Spain16:59 → 17:0706:07no06:07holds26 Mar
London20:59 → 21:0705:52no05:50holds26 Mar
Durban22:59 → 23:0706:03no06:03holds26 Mar
Dubai00:59 → 01:0706:18no06:17holds26 Mar
Delhi02:29 → 02:3706:20no06:19holds26 Mar
Kolkata02:29 → 02:3705:36no05:35holds26 Mar
Singapore04:59 → 05:0707:07no07:07holds26 Mar
Sydney07:59 → 07:0707:02no07:03no27 Mar
Suva08:59 → 09:0706:11no06:12no27 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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