Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2045

Monday 1 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 73 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 Sunday 30 April

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 Monday 1 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 14:57 on Sun 30 Apr to 13:52 on Mon 1 May.

    2045-04-30T06:56:59Z → 2045-05-01T05:52:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

    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 30th and 48 of 48 on the 1st.

    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 4359 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2045: Monday 1 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2045 falls on Monday 1 May. Pūrṇimā runs from 14:57 on Sun 30 Apr to 13:52 on Mon 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2045/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 May
Ahargaṇa, classicalDisc centre, no refractionMon 1 May
compat-drikpanchangComparison profileMon 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles23:57 → 22:5212:2648 min12:260 min30 Apr
Chicago01:57 → 00:5212:2448 min12:240 min30 Apr
Jersey City02:57 → 01:5212:3048 min12:300 min30 Apr
Port of Spain02:57 → 01:5211:3948 min11:390 min30 Apr
London07:57 → 06:5212:3448 min12:340 min30 Apr
Durban08:57 → 07:5211:2948 min11:290 min30 Apr
Dubai10:57 → 09:5211:5248 min11:520 min30 Apr
Delhi12:27 → 11:2211:5516 min11:540 min30 Apr
Kolkata12:27 → 11:2211:100 min11:1012 min1 May
Singapore14:57 → 13:5212:380 min12:3848 min1 May
Sydney16:57 → 15:5211:280 min11:2848 min1 May
Suva18:57 → 17:5211:390 min11:3948 min1 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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