Ruling · Buddha Pūrṇimā · 1927

Monday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 528 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 Monday 16 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 Tuesday 17 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

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 01:28 on Mon 16 May to 03:03 on Tue 17 May.

    1927-05-15T17:27:33Z → 1927-05-16T19:02:36Z

  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 48 of 48 minutes on the 16th and 0 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 31683 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1927: Monday 16 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1927 falls on Monday 16 May. Pūrṇimā runs from 01:28 on Mon 16 May to 03:03 on Tue 17 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 16 May
Ahargaṇa, classicalDisc centre, no refractionMon 16 May
compat-drikpanchangComparison profileMon 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles09:28 → 11:0311:2548 min11:250 min15 May
Chicago12:28 → 14:0312:2344 min12:2348 min16 May
Jersey City13:28 → 15:0312:290 min12:2948 min16 May
Port of Spain13:28 → 15:0311:380 min11:3848 min16 May
London18:28 → 20:0312:330 min12:3348 min16 May
Durban19:28 → 21:0311:280 min11:2848 min16 May
Dubai21:28 → 23:0311:510 min11:5148 min16 May
Delhi22:58 → 00:3311:530 min11:5348 min16 May
Kolkata22:58 → 00:3311:090 min11:0948 min16 May
Singapore00:28 → 02:0311:370 min11:3748 min16 May
Sydney03:28 → 05:0311:270 min11:2748 min16 May
Suva05:28 → 07:0311:380 min11:3848 min16 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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