Ruling · Buddha Pūrṇimā · 1915

Friday 28 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 141 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 28 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 Saturday 29 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 09:31 on Fri 28 May to 05:33 on Sat 29 May.

    1915-05-28T01:30:41Z → 1915-05-28T21:32:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 28th, 11:51–12:39 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 8436 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1915: Friday 28 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1915 falls on Friday 28 May. Pūrṇimā runs from 09:31 on Fri 28 May to 05:33 on Sat 29 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1915/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 May
Ahargaṇa, classicalDisc centre, no refractionFri 28 May
compat-drikpanchangComparison profileFri 28 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles17:31 → 13:3311:2648 min11:260 min28 May
Chicago19:31 → 15:3311:2448 min11:240 min28 May
Jersey City20:31 → 16:3311:3048 min11:300 min28 May
Port of Spain21:31 → 17:3311:3948 min11:390 min28 May
London01:31 → 21:3311:3448 min11:340 min28 May
Durban03:31 → 23:3311:2948 min11:290 min28 May
Dubai05:12 → 01:1411:3348 min11:330 min28 May
Delhi07:01 → 03:0311:5448 min11:540 min28 May
Kolkata07:01 → 03:0311:1048 min11:100 min28 May
Singapore08:31 → 04:3311:3848 min11:380 min28 May
Sydney11:31 → 07:3311:2845 min11:280 min28 May
Suva13:26 → 09:2811:340 min11:340 min29 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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