Ruling · Caitrī Pūrṇimā · 2045

Saturday 1 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 419 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 Saturday 1 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Sunday 2 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 04:59 on Sat 1 Apr to 02:43 on Sun 2 Apr.

    2045-03-31T20:59:23Z → 2045-04-01T18:43:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 25138 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2045: Saturday 1 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2045 falls on Saturday 1 April. Pūrṇimā runs from 04:59 on Sat 1 Apr to 02:43 on Sun 2 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2045/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 1 Apr
compat-drikpanchangComparison profileSat 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles13:59 → 11:4312:330 min12:330 min1 Apr
Chicago15:59 → 13:4312:310 min12:3148 min1 Apr
Jersey City16:59 → 14:4312:370 min12:3648 min1 Apr
Port of Spain16:59 → 14:4311:460 min11:4648 min1 Apr
London21:59 → 19:4312:410 min12:4148 min1 Apr
Durban22:59 → 20:4311:360 min11:3548 min1 Apr
Dubai00:59 → 22:4311:590 min11:5948 min1 Apr
Delhi02:29 → 00:1312:010 min12:0148 min1 Apr
Kolkata02:29 → 00:1311:170 min11:1748 min1 Apr
Singapore04:59 → 02:4312:450 min12:4448 min1 Apr
Sydney07:59 → 04:4312:350 min12:3548 min1 Apr
Suva08:59 → 06:4311:460 min11:4648 min1 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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