Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 1965

Saturday 15 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 403 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 14 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 Saturday 15 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 19:22 on Fri 14 May to 19:52 on Sat 15 May.

    1965-05-14T11:22:04Z → 1965-05-15T11:51:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 14th, 11:51–12:39 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 24204 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1965: Saturday 15 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 1965 falls on Saturday 15 May. Pūrṇimā runs from 19:22 on Fri 14 May to 19:52 on Sat 15 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1965/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 May
Ahargaṇa, classicalDisc centre, no refractionSat 15 May
compat-drikpanchangComparison profileSat 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles04:22 → 04:5212:2548 min12:250 min14 May
Chicago06:22 → 06:5212:2348 min12:230 min14 May
Jersey City07:22 → 07:5212:2948 min12:290 min14 May
Port of Spain07:22 → 07:5211:3848 min11:380 min14 May
London12:22 → 12:5212:3348 min12:3319 min14 May
Durban13:22 → 13:5211:280 min11:2848 min15 May
Dubai15:22 → 15:5211:510 min11:5148 min15 May
Delhi16:52 → 17:2211:530 min11:5348 min15 May
Kolkata16:52 → 17:2211:090 min11:0948 min15 May
Singapore18:52 → 19:2212:070 min12:0748 min15 May
Sydney21:22 → 21:5211:270 min11:2748 min15 May
Suva23:22 → 23:5211:380 min11:3848 min15 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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