Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2008

Monday 19 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 100 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 19 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 Tuesday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 07:52 on Mon 19 May to 10:11 on Tue 20 May.

    2008-05-18T23:51:42Z → 2008-05-20T02:11:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 5973 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2008: Monday 19 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2008 falls on Monday 19 May. Pūrṇimā runs from 07:52 on Mon 19 May to 10:11 on Tue 20 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2008/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 May
Ahargaṇa, classicalDisc centre, no refractionMon 19 May
compat-drikpanchangComparison profileMon 19 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 18thCoveredMadhyāhna 20thCoveredRuled
Los Angeles16:52 → 19:1112:260 min12:260 min19 May
Chicago18:52 → 21:1112:230 min12:230 min19 May
Jersey City19:52 → 22:1112:290 min12:290 min19 May
Port of Spain19:52 → 22:1111:390 min11:390 min19 May
London00:52 → 03:1112:330 min12:330 min19 May
Durban01:52 → 04:1111:280 min11:280 min19 May
Dubai03:52 → 06:1111:510 min11:510 min19 May
Delhi05:22 → 07:4111:540 min11:540 min19 May
Kolkata05:22 → 07:4111:090 min11:090 min19 May
Singapore07:52 → 10:1112:370 min12:370 min19 May
Sydney09:52 → 12:1111:270 min11:2844 min19 May
Suva11:52 → 14:1111:390 min11:3948 min20 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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