Ruling · Caitrī Pūrṇimā · 2081

Wednesday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 340 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 Tuesday 22 April

Pūrṇimā is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Wednesday 23 April

Taken. The only midday Pūrṇimā reaches.

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

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 20:53 on Tue 22 Apr to 18:21 on Wed 23 Apr.

    2081-04-22T12:53:07Z → 2081-04-23T10:21:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 22nd, 11:53–12:41 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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: paraviddha → only-day · margin 20408 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2081: Wednesday 23 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2081 falls on Wednesday 23 April. Pūrṇimā runs from 20:53 on Tue 22 Apr to 18:21 on Wed 23 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2081/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 23 Apr
compat-drikpanchangComparison profileWed 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles05:53 → 03:2112:2848 min12:280 min22 Apr
Chicago07:53 → 05:2112:2648 min12:250 min22 Apr
Jersey City08:53 → 06:2112:3148 min12:310 min22 Apr
Port of Spain08:53 → 06:2111:4148 min11:410 min22 Apr
London13:53 → 11:2112:360 min12:360 min23 Apr
Durban14:53 → 12:2111:300 min11:3048 min23 Apr
Dubai16:53 → 14:2111:540 min11:5348 min23 Apr
Delhi18:23 → 15:5111:560 min11:5648 min23 Apr
Kolkata18:23 → 15:5111:110 min11:1148 min23 Apr
Singapore20:53 → 18:2112:390 min12:3948 min23 Apr
Sydney22:53 → 20:2111:300 min11:2948 min23 Apr
Suva00:53 → 22:2111:410 min11:4148 min23 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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