Ruling · Caitrī Pūrṇimā · 1901

Wednesday 3 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 158 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 Wednesday 3 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 Thursday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:58 on Wed 3 Apr to 09:20 on Thu 4 Apr.

    1901-04-02T22:58:14Z → 1901-04-04T01:20:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 3rd, 11:58–12:46 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 9462 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1901: Wednesday 3 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1901 falls on Wednesday 3 April. Pūrṇimā runs from 06:58 on Wed 3 Apr to 09:20 on Thu 4 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1901/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 3 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 3 Apr
compat-drikpanchangComparison profileWed 3 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 4thCoveredRuled
Los Angeles14:58 → 17:2011:330 min11:320 min3 Apr
Chicago16:58 → 19:2011:310 min11:300 min3 Apr
Jersey City17:58 → 20:2011:360 min11:360 min3 Apr
Port of Spain18:58 → 21:2011:460 min11:450 min3 Apr
London22:58 → 01:2011:410 min11:400 min3 Apr
Durban00:28 → 02:5011:060 min11:050 min3 Apr
Dubai02:39 → 05:0111:400 min11:390 min3 Apr
Delhi04:19 → 06:4111:520 min11:520 min3 Apr
Kolkata04:19 → 06:4111:080 min11:070 min3 Apr
Singapore05:53 → 08:1511:400 min11:390 min3 Apr
Sydney08:58 → 11:2011:350 min11:340 min3 Apr
Suva10:53 → 13:1511:410 min11:4148 min4 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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