Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2010

Thursday 27 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 243 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 27 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 28 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 07:48 on Thu 27 May to 07:07 on Fri 28 May.

    2010-05-26T23:48:07Z → 2010-05-27T23:07:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 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 48 of 48 minutes on the 27th and 0 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 14600 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2010: Thursday 27 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2010 falls on Thursday 27 May. Pūrṇimā runs from 07:48 on Thu 27 May to 07:07 on Fri 28 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2010/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 27 May
Ahargaṇa, classicalDisc centre, no refractionThu 27 May
compat-drikpanchangComparison profileThu 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles16:48 → 16:0712:260 min12:2648 min27 May
Chicago18:48 → 18:0712:240 min12:2448 min27 May
Jersey City19:48 → 19:0712:300 min12:3048 min27 May
Port of Spain19:48 → 19:0711:390 min11:3948 min27 May
London00:48 → 00:0712:340 min12:3448 min27 May
Durban01:48 → 01:0711:290 min11:2948 min27 May
Dubai03:48 → 03:0711:520 min11:5248 min27 May
Delhi05:18 → 04:3711:540 min11:5448 min27 May
Kolkata05:18 → 04:3711:100 min11:1048 min27 May
Singapore07:48 → 07:0712:380 min12:3848 min27 May
Sydney09:48 → 09:0711:280 min11:2848 min27 May
Suva11:48 → 11:0711:390 min11:3939 min27 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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