Ruling · Vasantotsava · 2019

Friday 22 March

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 2 min 50 s away. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two sunrises

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

Sunrise of Thursday 21 March

Pratipadā does not hold at sunrise. Not taken.

06:22 sunrise
05:1005:3405:5806:2206:4607:1007:34

Absent at sunrise

Sunrise of Friday 22 March

Taken. The only sunrise Pratipadā holds at.

06:20 sunrise
Pratipadā ends 06:22:49
05:0805:3205:5606:2006:4407:0807:32

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 09:43 on Thu 21 Mar to 06:23 on Fri 22 Mar.

    2019-03-21T01:42:52Z → 2019-03-21T22:22:49Z

  2. 02

    Kāla

    Sunrise is at 06:22 on the 21st and 06:20 on the 22nd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 21st and is on the 22nd.

    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 170 s < 300 s

  5. 05

    Ruling

    Vasantotsava, Baoding, 2019: Friday 22 March.

    confidence: boundary (margin)

Say it like this

In Baoding, Vasantotsava 2019 falls on Friday 22 March. Pratipadā runs from 09:43 on Thu 21 Mar to 06:23 on Fri 22 Mar and is current at sunrise that day. It is 2 min 50 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2019/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 21 Mar
compat-drikpanchangComparison profileFri 22 Mar
No institution has a recorded ruling for Baoding.

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 21stCoveredSunrise 22ndCoveredRuled
Los Angeles18:43 → 15:2306:56holds06:54no21 Mar
Chicago20:43 → 17:2306:53holds06:51no21 Mar
Jersey City21:43 → 18:2306:59holds06:57no21 Mar
Port of Spain21:43 → 18:2306:10holds06:09no21 Mar
London01:43 → 22:2306:02holds06:00no21 Mar
Durban03:43 → 00:2306:00holds06:00no21 Mar
Dubai05:43 → 02:2306:23holds06:22no21 Mar
Delhi07:13 → 03:5306:25no06:24no21 Mar
Kolkata07:13 → 03:5305:41no05:40no21 Mar
Singapore09:43 → 06:2307:09no07:09no21 Mar
Sydney12:43 → 09:2306:59no07:00holds22 Mar
Suva13:43 → 10:2306:10no06:11holds22 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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