Ruling · Vasantotsava · 2027

Tuesday 23 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 655 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two sunrises

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

Sunrise of Tuesday 23 March

Taken. The only sunrise Pratipadā holds at.

05:39 sunrise
04:2704:5105:1505:3906:0306:2706:51

Holds at sunrise

Sunrise of Wednesday 24 March

Pratipadā does not hold at sunrise. Not taken.

05:37 sunrise
04:2504:4905:1305:3706:0106:2506:49

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 18:44 on Mon 22 Mar to 16:59 on Tue 23 Mar.

    2027-03-22T10:43:48Z → 2027-03-23T08:58:50Z

  2. 02

    Kāla

    Sunrise is at 05:39 on the 23rd and 05:37 on the 24th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 23rd and is not on the 24th.

    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 39303 s

  5. 05

    Ruling

    Vasantotsava, Daqing, 2027: Tuesday 23 March.

    confidence: determinate

Say it like this

In Daqing, Vasantotsava 2027 falls on Tuesday 23 March. Pratipadā runs from 18:44 on Mon 22 Mar to 16:59 on Tue 23 Mar and is current at sunrise that day.

ahargana.org/daqing/festivals/2027/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 23 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 23 Mar
compat-drikpanchangComparison profileTue 23 Mar
No institution has a recorded ruling for Daqing.

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 22ndCoveredSunrise 23rdCoveredRuled
Los Angeles03:44 → 01:5906:54holds06:53no22 Mar
Chicago05:44 → 03:5906:51holds06:49no22 Mar
Jersey City06:44 → 04:5906:57holds06:55no22 Mar
Port of Spain06:44 → 04:5906:09no06:09no22 Mar
London10:44 → 08:5906:00no05:57holds23 Mar
Durban12:44 → 10:5906:01no06:01holds23 Mar
Dubai14:44 → 12:5906:21no06:20holds23 Mar
Delhi16:14 → 14:2906:24no06:22holds23 Mar
Kolkata16:14 → 14:2905:39no05:39holds23 Mar
Singapore18:44 → 16:5907:09no07:08holds23 Mar
Sydney21:44 → 19:5907:00no07:00holds23 Mar
Suva22:44 → 20:5906:11no06:11holds23 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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