Ruling · Caitrī Pūrṇimā · 2051

Tuesday 25 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 93 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 25 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 26 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 07:55 on Tue 25 Apr to 10:19 on Wed 26 Apr.

    2051-04-24T23:54:46Z → 2051-04-26T02:19:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 25th, 11:52–12:40 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 5586 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2051: Tuesday 25 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2051 falls on Tuesday 25 April. Pūrṇimā runs from 07:55 on Tue 25 Apr to 10:19 on Wed 26 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2051/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 25 Apr
compat-drikpanchangComparison profileTue 25 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 24thCoveredMadhyāhna 26thCoveredRuled
Los Angeles16:55 → 19:1912:270 min12:270 min25 Apr
Chicago18:55 → 21:1912:250 min12:250 min25 Apr
Jersey City19:55 → 22:1912:310 min12:310 min25 Apr
Port of Spain19:55 → 22:1911:400 min11:400 min25 Apr
London00:55 → 03:1912:350 min12:350 min25 Apr
Durban01:55 → 04:1911:300 min11:300 min25 Apr
Dubai03:55 → 06:1911:530 min11:530 min25 Apr
Delhi05:25 → 07:4911:560 min11:550 min25 Apr
Kolkata05:25 → 07:4911:110 min11:110 min25 Apr
Singapore07:55 → 10:1912:390 min12:390 min25 Apr
Sydney09:55 → 12:1911:290 min11:2948 min26 Apr
Suva11:55 → 14:1911:410 min11:4048 min26 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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