Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2098

Thursday 15 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 159 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 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 Thursday 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 15:23 on Wed 14 May to 15:18 on Thu 15 May.

    2098-05-14T07:23:02Z → 2098-05-15T07:18:00Z

  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 9526 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2098: Thursday 15 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2098 falls on Thursday 15 May. Pūrṇimā runs from 15:23 on Wed 14 May to 15:18 on Thu 15 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2098/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 May
Ahargaṇa, classicalDisc centre, no refractionThu 15 May
compat-drikpanchangComparison profileThu 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 Angeles00:23 → 00:1812:2648 min12:260 min14 May
Chicago02:23 → 02:1812:2448 min12:240 min14 May
Jersey City03:23 → 03:1812:2948 min12:290 min14 May
Port of Spain03:23 → 03:1811:3948 min11:390 min14 May
London08:23 → 08:1812:3448 min12:340 min14 May
Durban09:23 → 09:1811:2948 min11:290 min14 May
Dubai11:23 → 11:1811:5248 min11:520 min14 May
Delhi12:53 → 12:4811:540 min11:5448 min15 May
Kolkata12:53 → 12:4811:090 min11:0948 min15 May
Singapore15:23 → 15:1812:370 min12:3748 min15 May
Sydney17:23 → 17:1811:280 min11:2848 min15 May
Suva19:23 → 19:1811:390 min11:3948 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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