Ruling · Buddha Pūrṇimā · 1935

Saturday 18 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 318 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 Friday 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

Midday of Saturday 18 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 18:16 on Fri 17 May to 17:57 on Sat 18 May.

    1935-05-17T10:16:21Z → 1935-05-18T09:57:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 17th, 11:51–12:39 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 19101 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 1935: Saturday 18 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā 1935 falls on Saturday 18 May. Pūrṇimā runs from 18:16 on Fri 17 May to 17:57 on Sat 18 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1935/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 May
Ahargaṇa, classicalDisc centre, no refractionSat 18 May
compat-drikpanchangComparison profileSat 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles02:16 → 01:5711:2548 min11:250 min17 May
Chicago05:16 → 04:5712:2348 min12:230 min17 May
Jersey City06:16 → 05:5712:2948 min12:290 min17 May
Port of Spain06:16 → 05:5711:3848 min11:380 min17 May
London11:16 → 10:5712:3348 min12:330 min17 May
Durban12:16 → 11:5711:280 min11:2829 min18 May
Dubai14:16 → 13:5711:510 min11:5148 min18 May
Delhi15:46 → 15:2711:530 min11:5348 min18 May
Kolkata15:46 → 15:2711:090 min11:0948 min18 May
Singapore17:36 → 17:1711:570 min11:5748 min18 May
Sydney20:16 → 19:5711:270 min11:2748 min18 May
Suva22:16 → 21:5711:380 min11:3848 min18 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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