Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2023

Friday 5 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 577 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 5 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 Saturday 6 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 02:15 on Fri 5 May to 01:34 on Sat 6 May.

    2023-05-04T18:14:31Z → 2023-05-05T17:34:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 5th, 11:51–12:39 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 34601 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2023: Friday 5 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2023 falls on Friday 5 May. Pūrṇimā runs from 02:15 on Fri 5 May to 01:34 on Sat 6 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2023/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 May
Ahargaṇa, classicalDisc centre, no refractionFri 5 May
compat-drikpanchangComparison profileFri 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles11:15 → 10:3412:2648 min12:260 min4 May
Chicago13:15 → 12:3412:240 min12:2410 min5 May
Jersey City14:15 → 13:3412:290 min12:2948 min5 May
Port of Spain14:15 → 13:3411:390 min11:3948 min5 May
London19:15 → 18:3412:340 min12:3448 min5 May
Durban20:15 → 19:3411:290 min11:2848 min5 May
Dubai22:15 → 21:3411:520 min11:5248 min5 May
Delhi23:45 → 23:0411:540 min11:5448 min5 May
Kolkata23:45 → 23:0411:100 min11:0948 min5 May
Singapore02:15 → 01:3412:370 min12:3748 min5 May
Sydney04:15 → 03:3411:280 min11:2848 min5 May
Suva06:15 → 05:3411:390 min11:3948 min5 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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