Ruling · Caitrī Pūrṇimā · 1955

Thursday 7 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 46 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 Wednesday 6 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
Pūrṇimā begins 13:30:44
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Thursday 7 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 13:31 on Wed 6 Apr to 14:35 on Thu 7 Apr.

    1955-04-06T05:30:44Z → 1955-04-07T06:34:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 6th, 11:57–12:45 on the 7th.

    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 6th and 48 of 48 on the 7th.

    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 2732 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1955: Thursday 7 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1955 falls on Thursday 7 April. Pūrṇimā runs from 13:31 on Wed 6 Apr to 14:35 on Thu 7 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1955/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 7 Apr
compat-drikpanchangComparison profileThu 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles21:31 → 22:3511:3248 min11:320 min6 Apr
Chicago23:31 → 00:3511:3048 min11:290 min6 Apr
Jersey City00:31 → 01:3511:3548 min11:350 min6 Apr
Port of Spain01:31 → 02:3511:4548 min11:440 min6 Apr
London05:31 → 06:3511:4048 min11:390 min6 Apr
Durban07:31 → 08:3511:3448 min11:340 min6 Apr
Dubai09:31 → 10:3511:5848 min11:570 min6 Apr
Delhi11:01 → 12:0512:0048 min12:005 min7 Apr
Kolkata11:01 → 12:0511:1548 min11:1548 min7 Apr
Singapore13:01 → 14:0512:131 min12:1348 min7 Apr
Sydney15:31 → 16:3511:340 min11:3348 min7 Apr
Suva17:31 → 18:3511:450 min11:4548 min7 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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