Ruling · Caitrī Pūrṇimā · 1950

Sunday 2 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 228 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 2 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 Monday 3 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 08:11 on Sun 2 Apr to 04:49 on Mon 3 Apr.

    1950-04-02T00:10:50Z → 1950-04-02T20:48:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 2nd, 11:58–12:46 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 13650 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1950: Sunday 2 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1950 falls on Sunday 2 April. Pūrṇimā runs from 08:11 on Sun 2 Apr to 04:49 on Mon 3 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1950/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 2 Apr
compat-drikpanchangComparison profileSun 2 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles16:11 → 12:4911:3348 min11:330 min2 Apr
Chicago18:11 → 14:4911:3148 min11:300 min2 Apr
Jersey City19:11 → 15:4911:3648 min11:360 min2 Apr
Port of Spain20:11 → 16:4911:4648 min11:460 min2 Apr
London00:11 → 20:4911:4148 min11:400 min2 Apr
Durban02:11 → 22:4911:3548 min11:350 min2 Apr
Dubai04:11 → 00:4911:5948 min11:580 min2 Apr
Delhi05:41 → 02:1912:0148 min12:010 min2 Apr
Kolkata05:41 → 02:1911:1748 min11:160 min2 Apr
Singapore07:41 → 04:1912:1448 min12:140 min2 Apr
Sydney10:11 → 06:4911:3548 min11:340 min2 Apr
Suva12:11 → 08:4911:4623 min11:460 min2 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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