Ruling · Caitrī Pūrṇimā · 1900

Saturday 14 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 173 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 Saturday 14 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Sunday 15 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 07:14 on Sat 14 Apr to 09:07 on Sun 15 Apr.

    1900-04-13T23:08:48Z → 1900-04-15T01:02:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 14th, 12:00–12:48 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 10357 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1900: Saturday 14 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1900 falls on Saturday 14 April. Pūrṇimā runs from 07:14 on Sat 14 Apr to 09:07 on Sun 15 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1900/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 14 Apr
compat-drikpanchangComparison profileSat 14 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 13thCoveredMadhyāhna 15thCoveredRuled
Los Angeles15:09 → 17:0211:300 min11:290 min14 Apr
Chicago17:09 → 19:0211:280 min11:270 min14 Apr
Jersey City18:09 → 20:0211:330 min11:330 min14 Apr
Port of Spain19:09 → 21:0211:430 min11:420 min14 Apr
London23:09 → 01:0211:380 min11:370 min14 Apr
Durban00:39 → 02:3211:020 min11:020 min14 Apr
Dubai02:50 → 04:4311:370 min11:360 min14 Apr
Delhi04:30 → 06:2311:490 min11:480 min14 Apr
Kolkata04:30 → 06:2311:040 min11:040 min14 Apr
Singapore06:04 → 07:5711:360 min11:360 min14 Apr
Sydney09:09 → 11:0211:320 min11:310 min14 Apr
Suva11:04 → 12:5711:380 min11:3748 min15 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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