Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2005

Monday 23 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 319 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 23 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 Tuesday 24 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 06:32 on Mon 23 May to 04:18 on Tue 24 May.

    2005-05-22T22:32:30Z → 2005-05-23T20:18:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 23rd, 11:51–12:39 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 19115 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2005: Monday 23 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2005 falls on Monday 23 May. Pūrṇimā runs from 06:32 on Mon 23 May to 04:18 on Tue 24 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 May
Ahargaṇa, classicalDisc centre, no refractionMon 23 May
compat-drikpanchangComparison profileMon 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles15:32 → 13:1812:260 min12:2648 min23 May
Chicago17:32 → 15:1812:240 min12:2448 min23 May
Jersey City18:32 → 16:1812:290 min12:2948 min23 May
Port of Spain18:32 → 16:1811:390 min11:3948 min23 May
London23:32 → 21:1812:340 min12:3448 min23 May
Durban00:32 → 22:1811:280 min11:2848 min23 May
Dubai02:32 → 00:1811:520 min11:5248 min23 May
Delhi04:02 → 01:4811:540 min11:5448 min23 May
Kolkata04:02 → 01:4811:090 min11:0948 min23 May
Singapore06:32 → 04:1812:370 min12:3748 min23 May
Sydney08:32 → 06:1811:280 min11:2848 min23 May
Suva10:32 → 08:1811:390 min11:3948 min23 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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