Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2006

Saturday 13 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 107 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 12 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 13 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 14:26 on Fri 12 May to 14:51 on Sat 13 May.

    2006-05-12T06:25:48Z → 2006-05-13T06:51:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 12th, 11:51–12:39 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 6421 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2006: Saturday 13 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2006 falls on Saturday 13 May. Pūrṇimā runs from 14:26 on Fri 12 May to 14:51 on Sat 13 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2006/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 May
Ahargaṇa, classicalDisc centre, no refractionSat 13 May
compat-drikpanchangComparison profileSat 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles23:26 → 23:5112:2648 min12:260 min12 May
Chicago01:26 → 01:5112:2348 min12:230 min12 May
Jersey City02:26 → 02:5112:2948 min12:290 min12 May
Port of Spain02:26 → 02:5111:3848 min11:380 min12 May
London07:26 → 07:5112:3348 min12:330 min12 May
Durban08:26 → 08:5111:2848 min11:280 min12 May
Dubai10:26 → 10:5111:5148 min11:510 min12 May
Delhi11:56 → 12:2111:5446 min11:5427 min12 May
Kolkata11:56 → 12:2111:091 min11:0948 min13 May
Singapore14:26 → 14:5112:370 min12:3748 min13 May
Sydney16:26 → 16:5111:270 min11:2748 min13 May
Suva18:26 → 18:5111:390 min11:3948 min13 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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