Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 1952

Friday 9 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 362 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 9 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 10 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 05:49 on Fri 9 May to 04:16 on Sat 10 May.

    1952-05-08T21:49:19Z → 1952-05-09T20:15:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 9th, 11:51–12:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 21690 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1952: Friday 9 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 1952 falls on Friday 9 May. Pūrṇimā runs from 05:49 on Fri 9 May to 04:16 on Sat 10 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1952/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 May
Ahargaṇa, classicalDisc centre, no refractionFri 9 May
compat-drikpanchangComparison profileFri 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles14:49 → 13:1612:260 min12:2648 min9 May
Chicago16:49 → 15:1612:230 min12:2348 min9 May
Jersey City17:49 → 16:1612:290 min12:2948 min9 May
Port of Spain17:49 → 16:1611:390 min11:3848 min9 May
London22:49 → 21:1612:330 min12:3348 min9 May
Durban23:49 → 22:1611:280 min11:2848 min9 May
Dubai01:49 → 00:1611:510 min11:5148 min9 May
Delhi03:19 → 01:4611:540 min11:5448 min9 May
Kolkata03:19 → 01:4611:090 min11:0948 min9 May
Singapore05:19 → 03:4612:070 min12:0748 min9 May
Sydney07:49 → 06:1611:270 min11:2748 min9 May
Suva09:49 → 08:1611:390 min11:3948 min9 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