Ruling · Buddha Pūrṇimā · 1909

Wednesday 5 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 360 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 Tuesday 4 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 Wednesday 5 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 18:39 on Tue 4 May to 20:08 on Wed 5 May.

    1909-05-04T10:39:26Z → 1909-05-05T12:07:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:51–12:39 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 21614 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1909: Wednesday 5 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1909 falls on Wednesday 5 May. Pūrṇimā runs from 18:39 on Tue 4 May to 20:08 on Wed 5 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1909/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 May
Ahargaṇa, classicalDisc centre, no refractionWed 5 May
compat-drikpanchangComparison profileWed 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles02:39 → 04:0811:2648 min11:260 min4 May
Chicago04:39 → 06:0811:2448 min11:240 min4 May
Jersey City05:39 → 07:0811:2948 min11:290 min4 May
Port of Spain06:39 → 08:0811:3948 min11:390 min4 May
London10:39 → 12:0811:3448 min11:3434 min4 May
Durban12:39 → 14:0811:280 min11:2848 min5 May
Dubai14:20 → 15:4911:330 min11:3348 min5 May
Delhi16:09 → 17:3811:540 min11:5448 min5 May
Kolkata16:09 → 17:3811:090 min11:0948 min5 May
Singapore17:39 → 19:0811:370 min11:3748 min5 May
Sydney20:39 → 22:0811:280 min11:2848 min5 May
Suva22:34 → 00:0311:340 min11:3448 min5 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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