Ruling · Caitrī Pūrṇimā · 2054

Wednesday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 09 s.

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 21 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 22 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pūrṇimā ends 12:02:14
11:0511:2911:5312:1712:4113:0513:29

9 of 48 minutes covered, the first 9

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 13:49 on Tue 21 Apr to 12:02 on Wed 22 Apr.

    2054-04-21T05:48:59Z → 2054-04-22T04:02:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 9 of 48 on the 22nd.

    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 549 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2054: Wednesday 22 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2054 falls on Wednesday 22 April. Pūrṇimā runs from 13:49 on Tue 21 Apr to 12:02 on Wed 22 Apr and covers 9 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2054/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 22 Apr
compat-drikpanchangComparison profileWed 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles22:49 → 21:0212:2848 min12:280 min21 Apr
Chicago00:49 → 23:0212:2648 min12:250 min21 Apr
Jersey City01:49 → 00:0212:3148 min12:310 min21 Apr
Port of Spain01:49 → 00:0211:4148 min11:410 min21 Apr
London06:49 → 05:0212:3648 min12:360 min21 Apr
Durban07:49 → 06:0211:3048 min11:300 min21 Apr
Dubai09:49 → 08:0211:5448 min11:540 min21 Apr
Delhi11:19 → 09:3211:5648 min11:560 min21 Apr
Kolkata11:19 → 09:3211:1241 min11:110 min21 Apr
Singapore13:49 → 12:0212:390 min12:390 min22 Apr
Sydney15:49 → 14:0211:300 min11:3048 min22 Apr
Suva17:49 → 16:0211:410 min11:4148 min22 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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