Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2089

Tuesday 24 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 302 minutes.

Decide it for

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

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 Tuesday 24 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 17:42 on Mon 23 May to 18:19 on Tue 24 May.

    2089-05-23T09:41:31Z → 2089-05-24T10:19:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 23rd, 11:52–12:40 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 0 of 48 minutes on the 23rd and 48 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 18116 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2089: Tuesday 24 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2089 falls on Tuesday 24 May. Pūrṇimā runs from 17:42 on Mon 23 May to 18:19 on Tue 24 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 May
Ahargaṇa, classicalDisc centre, no refractionTue 24 May
compat-drikpanchangComparison profileTue 24 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 Angeles02:42 → 03:1912:2648 min12:270 min23 May
Chicago04:42 → 05:1912:2448 min12:240 min23 May
Jersey City05:42 → 06:1912:3048 min12:300 min23 May
Port of Spain05:42 → 06:1911:3948 min11:390 min23 May
London10:42 → 11:1912:3448 min12:340 min23 May
Durban11:42 → 12:1911:2935 min11:2948 min24 May
Dubai13:42 → 14:1911:520 min11:5248 min24 May
Delhi15:12 → 15:4911:540 min11:5548 min24 May
Kolkata15:12 → 15:4911:100 min11:1048 min24 May
Singapore17:42 → 18:1912:380 min12:3848 min24 May
Sydney19:42 → 20:1911:280 min11:2848 min24 May
Suva21:42 → 22:1911:390 min11:4048 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

About Ahargaṇa