Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2051

Thursday 25 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 616 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 Thursday 25 May

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Friday 26 May

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 00:07 on Thu 25 May to 01:35 on Fri 26 May.

    2051-05-24T16:06:43Z → 2051-05-25T17:35:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 25th, 11:51–12:39 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 36979 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2051: Thursday 25 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2051 falls on Thursday 25 May. Pūrṇimā runs from 00:07 on Thu 25 May to 01:35 on Fri 26 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2051/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 May
Ahargaṇa, classicalDisc centre, no refractionThu 25 May
compat-drikpanchangComparison profileThu 25 May
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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles09:07 → 10:3512:2648 min12:260 min24 May
Chicago11:07 → 12:3512:2448 min12:2411 min24 May
Jersey City12:07 → 13:3512:3048 min12:3048 min24 May
Port of Spain12:07 → 13:3511:3920 min11:3948 min25 May
London17:07 → 18:3512:340 min12:3448 min25 May
Durban18:07 → 19:3511:290 min11:2948 min25 May
Dubai20:07 → 21:3511:520 min11:5248 min25 May
Delhi21:37 → 23:0511:540 min11:5448 min25 May
Kolkata21:37 → 23:0511:100 min11:1048 min25 May
Singapore00:07 → 01:3512:380 min12:3848 min25 May
Sydney02:07 → 03:3511:280 min11:2848 min25 May
Suva04:07 → 05:3511:390 min11:3948 min25 May
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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