Ruling · Caitrī Pūrṇimā · 1942

Wednesday 1 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 466 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 Tuesday 31 March

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:59  13:47 madhyāhna ends
12:1112:3512:5913:2313:4714:1114:35

0 of 48 minutes covered

Midday of Wednesday 1 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:59  13:47 madhyāhna ends
12:1112:3512:5913:2313:4714:1114:35

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 23:36 on Tue 31 Mar to 21:32 on Wed 1 Apr.

    1942-03-31T14:35:40Z → 1942-04-01T12:32:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:59–13:47 on the 31st, 12:59–13:47 on the 1st.

    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 31st and 48 of 48 on the 1st.

    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 27935 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1942: Wednesday 1 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1942 falls on Wednesday 1 April. Pūrṇimā runs from 23:36 on Tue 31 Mar to 21:32 on Wed 1 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 1 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 1 Apr
compat-drikpanchangComparison profileWed 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 Angeles07:36 → 05:3212:3448 min12:330 min31 Mar
Chicago09:36 → 07:3212:3148 min12:310 min31 Mar
Jersey City10:36 → 08:3212:3748 min12:370 min31 Mar
Port of Spain10:36 → 08:3211:4648 min11:460 min31 Mar
London15:36 → 13:3212:410 min12:4148 min1 Apr
Durban16:36 → 14:3211:360 min11:3648 min1 Apr
Dubai18:36 → 16:3211:590 min11:5948 min1 Apr
Delhi21:06 → 19:0213:020 min13:0148 min1 Apr
Kolkata21:06 → 19:0212:170 min12:1748 min1 Apr
Singapore23:36 → 21:3213:450 min13:4548 min1 Apr
Sydney00:36 → 22:3211:350 min11:3548 min1 Apr
Suva02:36 → 00:3211:470 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

About Ahargaṇa