Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2068

Thursday 17 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 30 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 Wednesday 16 May

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pūrṇimā begins 13:09:03
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Thursday 17 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 13:09 on Wed 16 May to 13:36 on Thu 17 May.

    2068-05-16T05:09:03Z → 2068-05-17T05:35:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 16th, 11:51–12:39 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 1802 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2068: Thursday 17 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2068 falls on Thursday 17 May. Pūrṇimā runs from 13:09 on Wed 16 May to 13:36 on Thu 17 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2068/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 May
Ahargaṇa, classicalDisc centre, no refractionThu 17 May
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles22:09 → 22:3612:2648 min12:260 min16 May
Chicago00:09 → 00:3612:2448 min12:240 min16 May
Jersey City01:09 → 01:3612:2948 min12:290 min16 May
Port of Spain01:09 → 01:3611:3948 min11:390 min16 May
London06:09 → 06:3612:3448 min12:340 min16 May
Durban07:09 → 07:3611:2848 min11:280 min16 May
Dubai09:09 → 09:3611:5248 min11:520 min16 May
Delhi10:39 → 11:0611:5448 min11:540 min16 May
Kolkata10:39 → 11:0611:0948 min11:090 min16 May
Singapore13:09 → 13:3612:3716 min12:3748 min17 May
Sydney15:09 → 15:3611:280 min11:2848 min17 May
Suva17:09 → 17:3611:390 min11:3948 min17 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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