Ruling · Buddha Pūrṇimā · 1917

Sunday 6 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 39 minutes.

Decide it for

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 6 May

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pūrṇimā begins 11:11:48
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Monday 7 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 11:12 on Sun 6 May to 10:43 on Mon 7 May.

    1917-05-06T03:11:49Z → 1917-05-07T02:42:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 6th, 11:51–12:39 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 2352 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1917: Sunday 6 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1917 falls on Sunday 6 May. Pūrṇimā runs from 11:12 on Sun 6 May to 10:43 on Mon 7 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1917/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 May
Ahargaṇa, classicalDisc centre, no refractionSun 6 May
compat-drikpanchangComparison profileSun 6 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles19:12 → 18:4311:2648 min11:260 min6 May
Chicago21:12 → 20:4311:2348 min11:230 min6 May
Jersey City22:12 → 21:4311:2948 min11:290 min6 May
Port of Spain23:12 → 22:4311:3948 min11:390 min6 May
London04:12 → 03:4312:3448 min12:330 min6 May
Durban05:12 → 04:4311:2848 min11:280 min6 May
Dubai06:53 → 06:2411:3248 min11:320 min6 May
Delhi08:42 → 08:1311:5448 min11:540 min6 May
Kolkata08:42 → 08:1311:0948 min11:090 min6 May
Singapore10:12 → 09:4311:3748 min11:370 min6 May
Sydney13:12 → 12:4311:280 min11:2748 min7 May
Suva15:12 → 14:4311:390 min11:3948 min7 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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