Ruling · Buddha Pūrṇimā · 1940

Tuesday 21 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 534 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 20 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

Midday of Tuesday 21 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 00:04 on Tue 21 May to 21:33 on Tue 21 May.

    1940-05-20T16:04:00Z → 1940-05-21T13:32:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 32043 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1940: Tuesday 21 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1940 falls on Tuesday 21 May. Pūrṇimā runs from 00:04 on Tue 21 May to 21:33 on Tue 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1940/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 May
Ahargaṇa, classicalDisc centre, no refractionTue 21 May
compat-drikpanchangComparison profileTue 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles08:04 → 05:3311:2648 min11:260 min20 May
Chicago11:04 → 08:3312:2348 min12:230 min20 May
Jersey City12:04 → 09:3312:2948 min12:290 min20 May
Port of Spain12:04 → 09:3311:3923 min11:390 min20 May
London17:04 → 14:3312:330 min12:3348 min21 May
Durban18:04 → 15:3311:280 min11:2848 min21 May
Dubai20:04 → 17:3311:510 min11:5148 min21 May
Delhi21:34 → 19:0311:540 min11:5448 min21 May
Kolkata21:34 → 19:0311:090 min11:0948 min21 May
Singapore23:24 → 20:5311:570 min11:5748 min21 May
Sydney02:04 → 23:3311:270 min11:2748 min21 May
Suva04:04 → 01:3311:390 min11:3948 min21 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