Ruling · Buddha Pūrṇimā · 1904

Friday 29 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 181 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 29 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Saturday 30 April

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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr.

    1904-04-29T00:51:06Z → 1904-04-29T22:36:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 10844 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1904: Friday 29 April.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1904 falls on Friday 29 April. Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1904/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 29 Apr
compat-drikpanchangComparison profileFri 29 Apr
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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles16:51 → 14:3611:2748 min11:260 min29 Apr
Chicago18:51 → 16:3611:2448 min11:240 min29 Apr
Jersey City19:51 → 17:3611:3048 min11:300 min29 Apr
Port of Spain20:51 → 18:3611:3948 min11:390 min29 Apr
London00:51 → 22:3611:3448 min11:340 min29 Apr
Durban02:51 → 00:3611:2948 min11:290 min29 Apr
Dubai04:32 → 02:1711:3348 min11:330 min29 Apr
Delhi06:12 → 03:5711:4648 min11:450 min29 Apr
Kolkata06:12 → 03:5711:0148 min11:010 min29 Apr
Singapore07:46 → 05:3111:3348 min11:330 min29 Apr
Sydney10:51 → 08:3611:2848 min11:280 min29 Apr
Suva12:46 → 10:3111:350 min11:340 min30 Apr
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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