Ruling · Vasantotsava · 1984

Sunday 18 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 478 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 17 March

Pratipadā does not hold at sunrise. Not taken.

06:27 sunrise
05:1505:3906:0306:2706:5107:1507:39

Absent at sunrise

Sunrise of Sunday 18 March

Taken. The only sunrise Pratipadā holds at.

06:26 sunrise
05:1405:3806:0206:2606:5007:1407:38

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 18:10 on Sat 17 Mar to 14:23 on Sun 18 Mar.

    1984-03-17T10:09:43Z → 1984-03-18T06:23:23Z

  2. 02

    Kāla

    Sunrise is at 06:27 on the 17th and 06:26 on the 18th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 17th and is on the 18th.

    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 28672 s

  5. 05

    Ruling

    Vasantotsava, Baoding, 1984: Sunday 18 March.

    confidence: determinate

Say it like this

In Baoding, Vasantotsava 1984 falls on Sunday 18 March. Pratipadā runs from 18:10 on Sat 17 Mar to 14:23 on Sun 18 Mar and is current at sunrise that day.

ahargana.org/baoding/festivals/1984/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 18 Mar
compat-drikpanchangComparison profileSun 18 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 17thCoveredSunrise 18thCoveredRuled
Los Angeles02:10 → 22:2306:01holds05:59no17 Mar
Chicago04:10 → 00:2305:59holds05:57no17 Mar
Jersey City05:10 → 01:2306:05holds06:03no17 Mar
Port of Spain06:10 → 02:2306:12holds06:12no17 Mar
London10:10 → 06:2306:10no06:08holds18 Mar
Durban12:10 → 08:2305:58no05:58holds18 Mar
Dubai14:10 → 10:2306:26no06:25holds18 Mar
Delhi15:40 → 11:5306:29no06:28holds18 Mar
Kolkata15:40 → 11:5305:44no05:43holds18 Mar
Singapore18:10 → 14:2307:10no07:10holds18 Mar
Sydney20:10 → 16:2305:56no05:57holds18 Mar
Suva22:10 → 18:2306:10no06:10holds18 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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