Ruling · Buddha Pūrṇimā (Vaiśākhī Pūrṇimā) · 2084

Saturday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 72 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 Friday 19 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 20 May

Taken. Pūrṇimā reaches neither midday; the rule takes the second day.

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 13:51 on Fri 19 May to 10:38 on Sat 20 May.

    2084-05-19T05:51:04Z → 2084-05-20T02:37:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 0 of 48 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 4308 s

  5. 05

    Ruling

    Buddha Pūrṇimā, Baoding, 2084: Saturday 20 May.

    confidence: determinate

Say it like this

In Baoding, Buddha Pūrṇimā (Vesak) 2084 falls on Saturday 20 May. Pūrṇimā runs from 13:51 on Fri 19 May to 10:38 on Sat 20 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2084/buddha-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 20 May
Ahargaṇa, classicalDisc centre, no refractionSat 20 May
compat-drikpanchangComparison profileSat 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles22:51 → 19:3812:2648 min12:260 min19 May
Chicago00:51 → 21:3812:2448 min12:240 min19 May
Jersey City01:51 → 22:3812:2948 min12:300 min19 May
Port of Spain01:51 → 22:3811:3948 min11:390 min19 May
London06:51 → 03:3812:3448 min12:340 min19 May
Durban07:51 → 04:3811:2948 min11:290 min19 May
Dubai09:51 → 06:3811:5248 min11:520 min19 May
Delhi11:21 → 08:0811:5448 min11:540 min19 May
Kolkata11:21 → 08:0811:1036 min11:100 min19 May
Singapore13:51 → 10:3812:370 min12:380 min20 May
Sydney15:51 → 12:3811:280 min11:2848 min20 May
Suva17:51 → 14:3811:390 min11:3948 min20 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

About Ahargaṇa