Ruling · Buddha Pūrṇimā · 1937

Tuesday 25 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 25 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 24 May

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pūrṇimā begins 13:04:00
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Tuesday 25 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

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 13:04 on Mon 24 May to 15:38 on Tue 25 May.

    1937-05-24T05:04:01Z → 1937-05-25T07:37:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 24th, 11:51–12:39 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 1500 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1937: Tuesday 25 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1937 falls on Tuesday 25 May. Pūrṇimā runs from 13:04 on Mon 24 May to 15:38 on Tue 25 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 May
Ahargaṇa, classicalDisc centre, no refractionTue 25 May
compat-drikpanchangComparison profileTue 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles21:04 → 23:3811:2648 min11:260 min24 May
Chicago00:04 → 02:3812:2448 min12:240 min24 May
Jersey City01:04 → 03:3812:2948 min12:290 min24 May
Port of Spain01:04 → 03:3811:3948 min11:390 min24 May
London06:04 → 08:3812:3448 min12:340 min24 May
Durban07:04 → 09:3811:2848 min11:290 min24 May
Dubai09:04 → 11:3811:5248 min11:520 min24 May
Delhi10:34 → 13:0811:5448 min11:5448 min24 May
Kolkata10:34 → 13:0811:0948 min11:0948 min24 May
Singapore12:24 → 14:5811:5721 min11:5748 min25 May
Sydney15:04 → 17:3811:280 min11:2848 min25 May
Suva17:04 → 19:3811:390 min11:3948 min25 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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