Ruling · Vasantotsava · 1943

Monday 22 March

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 16 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 Monday 22 March

Taken. The only sunrise Pratipadā holds at.

07:21 sunrise
Pratipadā begins 07:07:57
06:0906:3306:5707:2107:4508:0908:33

Holds at sunrise

Sunrise of Tuesday 23 March

Pratipadā does not hold at sunrise. Not taken.

07:19 sunrise
Pratipadā ends 07:15:05
06:0706:3106:5507:1907:4308:0708:31

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 07:08 on Mon 22 Mar to 07:15 on Tue 23 Mar.

    1943-03-21T22:07:57Z → 1943-03-22T22:15:05Z

  2. 02

    Kāla

    Sunrise is at 07:21 on the 22nd and 07:19 on the 23rd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 22nd and is not on the 23rd.

    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 256 s < 300 s

  5. 05

    Ruling

    Vasantotsava, Baoding, 1943: Monday 22 March.

    confidence: boundary (margin)

Say it like this

In Baoding, Vasantotsava 1943 falls on Monday 22 March. Pratipadā runs from 07:08 on Mon 22 Mar to 07:15 on Tue 23 Mar and is current at sunrise that day. It is 4 min 16 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1943/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 22 Mar
compat-drikpanchangComparison profileMon 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 Angeles15:08 → 15:1506:57no06:55holds22 Mar
Chicago17:08 → 17:1506:54no06:52holds22 Mar
Jersey City18:08 → 18:1507:00no06:58holds22 Mar
Port of Spain19:08 → 19:1507:10no07:10holds22 Mar
London23:08 → 23:1507:04no07:01holds22 Mar
Durban00:08 → 00:1506:00no06:00holds22 Mar
Dubai02:08 → 02:1506:23no06:22holds22 Mar
Delhi04:38 → 04:4507:26no07:24holds22 Mar
Kolkata04:38 → 04:4506:41no06:40holds22 Mar
Singapore07:08 → 07:1508:09no08:09holds22 Mar
Sydney09:08 → 09:1506:58no06:59no23 Mar
Suva10:08 → 10:1506:10no06:11no23 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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