Ruling · Caitrī Pūrṇimā · 1929

Tuesday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 365 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 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

Midday of Wednesday 24 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 04:57 on Tue 23 Apr to 05:47 on Wed 24 Apr.

    1929-04-22T20:57:15Z → 1929-04-23T21:47:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 21922 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1929: Tuesday 23 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1929 falls on Tuesday 23 April. Pūrṇimā runs from 04:57 on Tue 23 Apr to 05:47 on Wed 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1929/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 23 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 23 Apr
compat-drikpanchangComparison profileTue 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 Angeles12:57 → 13:4711:280 min11:2848 min23 Apr
Chicago14:57 → 15:4711:250 min11:2548 min23 Apr
Jersey City15:57 → 16:4711:310 min11:3148 min23 Apr
Port of Spain16:57 → 17:4711:410 min11:4048 min23 Apr
London21:57 → 22:4712:360 min12:3548 min23 Apr
Durban22:57 → 23:4711:300 min11:3048 min23 Apr
Dubai00:57 → 01:4711:540 min11:5348 min23 Apr
Delhi02:27 → 03:1711:560 min11:5648 min23 Apr
Kolkata02:27 → 03:1711:110 min11:1148 min23 Apr
Singapore03:57 → 04:4711:390 min11:3948 min23 Apr
Sydney06:57 → 07:4711:300 min11:2948 min23 Apr
Suva08:57 → 09:4711:410 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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