Ruling · Caitrī Pūrṇimā · 2055

Sunday 11 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 377 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 Sunday 11 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Monday 12 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 05:39 on Sun 11 Apr to 01:59 on Mon 12 Apr.

    2055-04-10T21:38:50Z → 2055-04-11T17:58:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:55–12:43 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 22612 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2055: Sunday 11 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2055 falls on Sunday 11 April. Pūrṇimā runs from 05:39 on Sun 11 Apr to 01:59 on Mon 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2055/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 11 Apr
compat-drikpanchangComparison profileSun 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles14:39 → 10:5912:310 min12:300 min11 Apr
Chicago16:39 → 12:5912:280 min12:2831 min11 Apr
Jersey City17:39 → 13:5912:340 min12:3448 min11 Apr
Port of Spain17:39 → 13:5911:440 min11:4348 min11 Apr
London22:39 → 18:5912:380 min12:3848 min11 Apr
Durban23:39 → 19:5911:330 min11:3348 min11 Apr
Dubai01:39 → 21:5911:560 min11:5648 min11 Apr
Delhi03:09 → 23:2911:590 min11:5848 min11 Apr
Kolkata03:09 → 23:2911:140 min11:1448 min11 Apr
Singapore05:39 → 01:5912:420 min12:4248 min11 Apr
Sydney07:39 → 03:5911:320 min11:3248 min11 Apr
Suva09:39 → 05:5911:440 min11:4348 min11 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

About Ahargaṇa