Ruling · Caitrī Pūrṇimā · 2090

Friday 14 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 281 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 Thursday 13 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

0 of 48 minutes covered

Midday of Friday 14 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 20:26 on Thu 13 Apr to 17:24 on Fri 14 Apr.

    2090-04-13T12:25:48Z → 2090-04-14T09:23:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 13th, 11:55–12:43 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 16834 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2090: Friday 14 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2090 falls on Friday 14 April. Pūrṇimā runs from 20:26 on Thu 13 Apr to 17:24 on Fri 14 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2090/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 14 Apr
compat-drikpanchangComparison profileFri 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles05:26 → 02:2412:3048 min12:300 min13 Apr
Chicago07:26 → 04:2412:2848 min12:270 min13 Apr
Jersey City08:26 → 05:2412:3348 min12:330 min13 Apr
Port of Spain08:26 → 05:2411:4348 min11:430 min13 Apr
London13:26 → 10:2412:380 min12:380 min14 Apr
Durban14:26 → 11:2411:320 min11:320 min14 Apr
Dubai16:26 → 13:2411:560 min11:5548 min14 Apr
Delhi17:56 → 14:5411:580 min11:5848 min14 Apr
Kolkata17:56 → 14:5411:130 min11:1348 min14 Apr
Singapore20:26 → 17:2412:410 min12:4148 min14 Apr
Sydney22:26 → 19:2411:320 min11:3248 min14 Apr
Suva00:26 → 21:2411:430 min11:4348 min14 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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