Ruling · Caitrī Pūrṇimā · 1943

Tuesday 20 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 389 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 Monday 19 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:54  13:42 madhyāhna ends
12:0612:3012:5413:1813:4214:0614:30

0 of 48 minutes covered

Midday of Tuesday 20 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:54  13:42 madhyāhna ends
12:0612:3012:5413:1813:4214:0614:30

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 21:05 on Mon 19 Apr to 20:11 on Tue 20 Apr.

    1943-04-19T12:04:45Z → 1943-04-20T11:10:32Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:54–13:42 on the 19th, 12:54–13:42 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 23336 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1943: Tuesday 20 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1943 falls on Tuesday 20 April. Pūrṇimā runs from 21:05 on Mon 19 Apr to 20:11 on Tue 20 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1943/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 20 Apr
compat-drikpanchangComparison profileTue 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles05:05 → 04:1112:2848 min12:280 min19 Apr
Chicago07:05 → 06:1112:2648 min12:260 min19 Apr
Jersey City08:05 → 07:1112:3248 min12:320 min19 Apr
Port of Spain09:05 → 08:1112:4148 min12:410 min19 Apr
London14:05 → 13:1113:3620 min13:360 min19 Apr
Durban14:05 → 13:1111:310 min11:3148 min20 Apr
Dubai16:05 → 15:1111:540 min11:5448 min20 Apr
Delhi18:35 → 17:4112:570 min12:5648 min20 Apr
Kolkata18:35 → 17:4112:120 min12:1248 min20 Apr
Singapore21:05 → 20:1113:400 min13:4048 min20 Apr
Sydney22:05 → 21:1111:300 min11:3048 min20 Apr
Suva00:05 → 23:1111:420 min11:4148 min20 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