Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2037

Wednesday 29 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 366 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 29 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Thursday 30 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 05:46 on Wed 29 Apr to 02:54 on Thu 30 Apr.

    2037-04-28T21:45:42Z → 2037-04-29T18:53:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 on the 30th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 21968 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2037: Wednesday 29 April.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2037 falls on Wednesday 29 April. Pūrṇimā runs from 05:46 on Wed 29 Apr to 02:54 on Thu 30 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2037/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 29 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 29 Apr
compat-drikpanchangComparison profileWed 29 Apr
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/buddha-purnima · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles14:46 → 11:5412:270 min12:270 min29 Apr
Chicago16:46 → 13:5412:240 min12:2448 min29 Apr
Jersey City17:46 → 14:5412:300 min12:3048 min29 Apr
Port of Spain17:46 → 14:5411:400 min11:3948 min29 Apr
London22:46 → 19:5412:350 min12:3448 min29 Apr
Durban23:46 → 20:5411:290 min11:2948 min29 Apr
Dubai01:46 → 22:5411:520 min11:5248 min29 Apr
Delhi03:16 → 00:2411:550 min11:5548 min29 Apr
Kolkata03:16 → 00:2411:100 min11:1048 min29 Apr
Singapore05:46 → 02:5412:380 min12:3848 min29 Apr
Sydney07:46 → 04:5411:280 min11:2848 min29 Apr
Suva09:46 → 06:5411:400 min11:4048 min29 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
buddha-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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