Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2086

Tuesday 28 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 440 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 Monday 27 May

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

Midday of Tuesday 28 May

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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 20:00 on Mon 27 May to 20:36 on Tue 28 May.

    2086-05-27T12:00:22Z → 2086-05-28T12:36:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.

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

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.

    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 26427 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2086: Tuesday 28 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2086 falls on Tuesday 28 May. Pūrṇimā runs from 20:00 on Mon 27 May to 20:36 on Tue 28 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2086/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 May
Ahargaṇa, classicalDisc centre, no refractionTue 28 May
compat-drikpanchangComparison profileTue 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles05:00 → 05:3612:2748 min12:270 min27 May
Chicago07:00 → 07:3612:2448 min12:250 min27 May
Jersey City08:00 → 08:3612:3048 min12:300 min27 May
Port of Spain08:00 → 08:3611:4048 min11:400 min27 May
London13:00 → 13:3612:3422 min12:3548 min28 May
Durban14:00 → 14:3611:290 min11:3048 min28 May
Dubai16:00 → 16:3611:520 min11:5348 min28 May
Delhi17:30 → 18:0611:550 min11:5548 min28 May
Kolkata17:30 → 18:0611:100 min11:1048 min28 May
Singapore20:00 → 20:3612:380 min12:3848 min28 May
Sydney22:00 → 22:3611:290 min11:2948 min28 May
Suva00:00 → 00:3611:400 min11:4048 min28 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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