Ruling · Caitrī Pūrṇimā · 1947

Saturday 5 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 643 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 Friday 4 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

Midday of Saturday 5 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

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 00:18 on Sat 5 Apr to 23:28 on Sat 5 Apr.

    1947-04-04T16:17:35Z → 1947-04-05T15:28:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 4th, 11:58–12:46 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 38570 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1947: Saturday 5 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1947 falls on Saturday 5 April. Pūrṇimā runs from 00:18 on Sat 5 Apr to 23:28 on Sat 5 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1947/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 5 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 5 Apr
compat-drikpanchangComparison profileSat 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles08:18 → 07:2811:3248 min11:320 min4 Apr
Chicago10:18 → 09:2811:3048 min11:300 min4 Apr
Jersey City11:18 → 10:2811:3648 min11:360 min4 Apr
Port of Spain12:18 → 11:2811:4516 min11:450 min4 Apr
London17:18 → 16:2812:400 min12:4048 min5 Apr
Durban18:18 → 17:2811:350 min11:3548 min5 Apr
Dubai20:18 → 19:2811:580 min11:5848 min5 Apr
Delhi21:48 → 20:5812:010 min12:0048 min5 Apr
Kolkata21:48 → 20:5811:160 min11:1648 min5 Apr
Singapore23:48 → 22:5812:140 min12:1448 min5 Apr
Sydney02:18 → 01:2811:340 min11:3448 min5 Apr
Suva04:18 → 03:2811:460 min11:4548 min5 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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