Ruling · Buddha Pūrṇimā · 1931

Saturday 2 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 35 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 1 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 Saturday 2 May

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Pūrṇimā ends 13:14:15
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 16:09 on Fri 1 May to 13:14 on Sat 2 May.

    1931-05-01T08:09:14Z → 1931-05-02T05:14:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 2086 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1931: Saturday 2 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1931 falls on Saturday 2 May. Pūrṇimā runs from 16:09 on Fri 1 May to 13:14 on Sat 2 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 May
Ahargaṇa, classicalDisc centre, no refractionSat 2 May
compat-drikpanchangComparison profileSat 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles00:09 → 21:1411:2648 min11:260 min1 May
Chicago03:09 → 00:1412:2448 min12:240 min1 May
Jersey City04:09 → 01:1412:3048 min12:300 min1 May
Port of Spain04:09 → 01:1411:3948 min11:390 min1 May
London09:09 → 06:1412:3448 min12:340 min1 May
Durban10:09 → 07:1411:2948 min11:290 min1 May
Dubai12:09 → 09:1411:5231 min11:520 min1 May
Delhi13:39 → 10:4411:540 min11:540 min2 May
Kolkata13:39 → 10:4411:100 min11:100 min2 May
Singapore15:09 → 12:1411:380 min11:3837 min2 May
Sydney18:09 → 15:1411:280 min11:2848 min2 May
Suva20:09 → 17:1411:390 min11:3948 min2 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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