Ruling · Vasantotsava · 2017

Monday 13 March

Determinatein Linyi, under the Rashtriya Panchang method. Clear of every threshold by 417 minutes.

Decide it for

35°04′ N 118°21′ E · Asia/Shanghai · GeoNames 1803318

The two sunrises

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

Sunrise of Monday 13 March

Taken. The only sunrise Pratipadā holds at.

06:21 sunrise
05:0905:3305:5706:2106:4507:0907:33

Holds at sunrise

Sunrise of Tuesday 14 March

Pratipadā does not hold at sunrise. Not taken.

06:19 sunrise
05:0705:3105:5506:1906:4307:0707:31

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 22:54 on Sun 12 Mar to 23:22 on Mon 13 Mar.

    2017-03-12T14:53:47Z → 2017-03-13T15:21:58Z

  2. 02

    Kāla

    Sunrise is at 06:21 on the 13th and 06:19 on the 14th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 13th and is not on the 14th.

    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 25041 s

  5. 05

    Ruling

    Vasantotsava, Linyi, 2017: Monday 13 March.

    confidence: determinate

Say it like this

In Linyi, Vasantotsava 2017 falls on Monday 13 March. Pratipadā runs from 22:54 on Sun 12 Mar to 23:22 on Mon 13 Mar and is current at sunrise that day.

ahargana.org/linyi/festivals/2017/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 13 Mar
compat-drikpanchangComparison profileMon 13 Mar
No institution has a recorded ruling for Linyi.

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 12thCoveredSunrise 13thCoveredRuled
Los Angeles07:54 → 08:2207:07no07:06holds13 Mar
Chicago09:54 → 10:2207:07no07:06holds13 Mar
Jersey City10:54 → 11:2207:13no07:11holds13 Mar
Port of Spain10:54 → 11:2206:15no06:14holds13 Mar
London14:54 → 15:2206:21no06:19holds13 Mar
Durban16:54 → 17:2205:55no05:55holds13 Mar
Dubai18:54 → 19:2206:31no06:30holds13 Mar
Delhi20:24 → 20:5206:35no06:33holds13 Mar
Kolkata20:24 → 20:5205:48no05:48holds13 Mar
Singapore22:54 → 23:2207:12no07:11holds13 Mar
Sydney01:54 → 02:2206:52no06:53holds13 Mar
Suva02:54 → 03:2206:08no06:09holds13 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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