Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 1986

Friday 23 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 200 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 Friday 23 May

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

48 of 48 minutes covered

Midday of Saturday 24 May

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 09:31 on Fri 23 May to 05:45 on Sat 24 May.

    1986-05-23T00:30:50Z → 1986-05-23T20:44:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 23rd, 12:51–13:39 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 12011 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1986: Friday 23 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 1986 falls on Friday 23 May. Pūrṇimā runs from 09:31 on Fri 23 May to 05:45 on Sat 24 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 May
Ahargaṇa, classicalDisc centre, no refractionFri 23 May
compat-drikpanchangComparison profileFri 23 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles17:31 → 13:4512:2648 min12:260 min23 May
Chicago19:31 → 15:4512:2448 min12:240 min23 May
Jersey City20:31 → 16:4512:2948 min12:290 min23 May
Port of Spain20:31 → 16:4511:3948 min11:390 min23 May
London01:31 → 21:4512:3448 min12:340 min23 May
Durban02:31 → 22:4511:2848 min11:290 min23 May
Dubai04:31 → 00:4511:5248 min11:520 min23 May
Delhi06:01 → 02:1511:5448 min11:540 min23 May
Kolkata06:01 → 02:1511:0948 min11:090 min23 May
Singapore08:31 → 04:4512:3748 min12:370 min23 May
Sydney10:31 → 06:4511:2848 min11:280 min23 May
Suva12:31 → 08:4511:390 min11:390 min24 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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