Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2015

Sunday 3 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 13 s.

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 Sunday 3 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 Monday 4 May

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pūrṇimā ends 11:42:05
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 10:29 on Sun 3 May to 11:42 on Mon 4 May.

    2015-05-03T02:29:23Z → 2015-05-04T03:42:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 3rd, 11:51–12:39 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 553 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2015: Sunday 3 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2015 falls on Sunday 3 May. Pūrṇimā runs from 10:29 on Sun 3 May to 11:42 on Mon 4 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 May
Ahargaṇa, classicalDisc centre, no refractionSun 3 May
compat-drikpanchangComparison profileSun 3 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles19:29 → 20:4212:2648 min12:260 min3 May
Chicago21:29 → 22:4212:2448 min12:240 min3 May
Jersey City22:29 → 23:4212:3048 min12:290 min3 May
Port of Spain22:29 → 23:4211:3948 min11:390 min3 May
London03:29 → 04:4212:3448 min12:340 min3 May
Durban04:29 → 05:4211:2948 min11:290 min3 May
Dubai06:29 → 07:4211:5248 min11:520 min3 May
Delhi07:59 → 09:1211:5448 min11:540 min3 May
Kolkata07:59 → 09:1211:1048 min11:100 min3 May
Singapore10:29 → 11:4212:3848 min12:370 min3 May
Sydney12:29 → 13:4211:280 min11:2848 min4 May
Suva14:29 → 15:4211:390 min11:3948 min4 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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