Ruling · Caitrī Pūrṇimā · 1984

Sunday 15 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 324 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 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 Monday 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 06:31 on Sun 15 Apr to 03:11 on Mon 16 Apr.

    1984-04-14T22:30:35Z → 1984-04-15T19:10:46Z

  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 19438 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1984: Sunday 15 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1984 falls on Sunday 15 April. Pūrṇimā runs from 06:31 on Sun 15 Apr to 03:11 on Mon 16 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1984/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 15 Apr
compat-drikpanchangComparison profileSun 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles14:31 → 11:1111:290 min11:290 min15 Apr
Chicago16:31 → 13:1111:270 min11:2748 min15 Apr
Jersey City17:31 → 14:1111:330 min11:3348 min15 Apr
Port of Spain18:31 → 15:1111:420 min11:4248 min15 Apr
London23:31 → 20:1112:370 min12:3748 min15 Apr
Durban00:31 → 21:1111:320 min11:3248 min15 Apr
Dubai02:31 → 23:1111:550 min11:5548 min15 Apr
Delhi04:01 → 00:4111:580 min11:5748 min15 Apr
Kolkata04:01 → 00:4111:130 min11:1348 min15 Apr
Singapore06:31 → 03:1112:410 min12:4148 min15 Apr
Sydney08:31 → 05:1111:310 min11:3148 min15 Apr
Suva10:31 → 07:1111:430 min11:4248 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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