Ruling · Buddha Pūrṇimā · 1933

Tuesday 9 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 128 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 Tuesday 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 Wednesday 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 09:43 on Tue 9 May to 06:04 on Wed 10 May.

    1933-05-09T01:42:55Z → 1933-05-09T22:04:16Z

  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 7674 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1933: Tuesday 9 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1933 falls on Tuesday 9 May. Pūrṇimā runs from 09:43 on Tue 9 May to 06:04 on Wed 10 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1933/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 May
Ahargaṇa, classicalDisc centre, no refractionTue 9 May
compat-drikpanchangComparison profileTue 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles17:43 → 14:0411:2648 min11:250 min9 May
Chicago20:43 → 17:0412:2348 min12:230 min9 May
Jersey City21:43 → 18:0412:2948 min12:290 min9 May
Port of Spain21:43 → 18:0411:3848 min11:380 min9 May
London02:43 → 23:0412:3348 min12:330 min9 May
Durban03:43 → 00:0411:2848 min11:280 min9 May
Dubai05:43 → 02:0411:5148 min11:510 min9 May
Delhi07:13 → 03:3411:5448 min11:540 min9 May
Kolkata07:13 → 03:3411:0948 min11:090 min9 May
Singapore09:03 → 05:2411:5748 min11:570 min9 May
Sydney11:43 → 08:0411:2732 min11:270 min9 May
Suva13:43 → 10:0411:390 min11:390 min10 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