Ruling · Vasantotsava · 1957

Sunday 17 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 minutes.

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 Saturday 16 March

Pratipadā does not hold at sunrise. Not taken.

06:29 sunrise
05:1705:4106:0506:2906:5307:1707:41

Absent at sunrise

Sunrise of Sunday 17 March

Taken. The only sunrise Pratipadā holds at.

06:28 sunrise
Pratipadā ends 07:01:40
05:1605:4006:0406:2806:5207:1607:40

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 10:22 on Sat 16 Mar to 07:02 on Sun 17 Mar.

    1957-03-16T02:21:48Z → 1957-03-16T23:01:41Z

  2. 02

    Kāla

    Sunrise is at 06:29 on the 16th and 06:28 on the 17th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 16th and is on the 17th.

    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 2033 s

  5. 05

    Ruling

    Vasantotsava, Baoding, 1957: Sunday 17 March.

    confidence: determinate

Say it like this

In Baoding, Vasantotsava 1957 falls on Sunday 17 March. Pratipadā runs from 10:22 on Sat 16 Mar to 07:02 on Sun 17 Mar and is current at sunrise that day.

ahargana.org/baoding/festivals/1957/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 17 Mar
compat-drikpanchangComparison profileSun 17 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 16thCoveredSunrise 17thCoveredRuled
Los Angeles18:22 → 15:0206:03holds06:01no16 Mar
Chicago20:22 → 17:0206:01holds06:00no16 Mar
Jersey City21:22 → 18:0206:07holds06:05no16 Mar
Port of Spain22:22 → 19:0206:13holds06:12no16 Mar
London02:22 → 23:0206:14holds06:11no16 Mar
Durban04:22 → 01:0205:57holds05:57no16 Mar
Dubai06:22 → 03:0206:28holds06:27no16 Mar
Delhi07:52 → 04:3206:31no06:29no16 Mar
Kolkata07:52 → 04:3205:45no05:44no16 Mar
Singapore09:52 → 06:3206:41no06:40no16 Mar
Sydney12:22 → 09:0205:55no05:56holds17 Mar
Suva14:22 → 11:0206:09no06:10holds17 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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