Ruling · Caitrī Pūrṇimā · 1965

Thursday 15 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 233 minutes.

Decide it for

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 15 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

Midday of Friday 16 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 08:01 on Thu 15 Apr to 07:02 on Fri 16 Apr.

    1965-04-15T00:01:27Z → 1965-04-15T23:02:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 15th, 11:54–12:42 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 13990 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1965: Thursday 15 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1965 falls on Thursday 15 April. Pūrṇimā runs from 08:01 on Thu 15 Apr to 07:02 on Fri 16 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1965/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 15 Apr
compat-drikpanchangComparison profileThu 15 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles16:01 → 15:0211:2948 min11:290 min15 Apr
Chicago18:01 → 17:0211:2748 min11:270 min15 Apr
Jersey City19:01 → 18:0211:3348 min11:320 min15 Apr
Port of Spain20:01 → 19:0211:4248 min11:420 min15 Apr
London01:01 → 00:0212:3748 min12:370 min15 Apr
Durban02:01 → 01:0211:3248 min11:320 min15 Apr
Dubai04:01 → 03:0211:5548 min11:550 min15 Apr
Delhi05:31 → 04:3211:5748 min11:570 min15 Apr
Kolkata05:31 → 04:3211:1348 min11:130 min15 Apr
Singapore07:31 → 06:3212:1148 min12:100 min15 Apr
Sydney10:01 → 09:0211:3148 min11:310 min15 Apr
Suva12:01 → 11:0211:4229 min11:420 min15 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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