Ruling · Caitrī Pūrṇimā · 2078

Wednesday 27 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 20 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 Tuesday 26 April

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Wednesday 27 April

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:52  12:40 madhyāhna ends
Pūrṇimā ends 12:20:16
11:0411:2811:5212:1612:4013:0413:28

28 of 48 minutes covered, the first 28

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 09:45 on Tue 26 Apr to 12:20 on Wed 27 Apr.

    2078-04-26T01:44:42Z → 2078-04-27T04:20:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:52–12:40 on the 27th.

    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 26th and 28 of 48 on the 27th.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 1205 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2078: Wednesday 27 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2078 falls on Wednesday 27 April. Pūrṇimā runs from 09:45 on Tue 26 Apr to 12:20 on Wed 27 Apr and covers 28 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/2078/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 27 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 27 Apr
compat-drikpanchangComparison profileWed 27 Apr
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/chaitri-purnima · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles18:45 → 21:2012:2748 min12:270 min26 Apr
Chicago20:45 → 23:2012:2548 min12:250 min26 Apr
Jersey City21:45 → 00:2012:3148 min12:300 min26 Apr
Port of Spain21:45 → 00:2011:4048 min11:400 min26 Apr
London02:45 → 05:2012:3548 min12:350 min26 Apr
Durban03:45 → 06:2011:3048 min11:300 min26 Apr
Dubai05:45 → 08:2011:5348 min11:530 min26 Apr
Delhi07:15 → 09:5011:5548 min11:550 min26 Apr
Kolkata07:15 → 09:5011:1148 min11:110 min26 Apr
Singapore09:45 → 12:2012:3948 min12:380 min26 Apr
Sydney11:45 → 14:2011:2932 min11:2948 min27 Apr
Suva13:45 → 16:2011:400 min11:4048 min27 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
chaitri-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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