Ruling · Caitrī Pūrṇimā · 2049

Saturday 17 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 99 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 17 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Sunday 18 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 10:15 on Sat 17 Apr to 09:05 on Sun 18 Apr.

    2049-04-17T02:14:55Z → 2049-04-18T01:04:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 17th, 11:54–12:42 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 5950 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2049: Saturday 17 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2049 falls on Saturday 17 April. Pūrṇimā runs from 10:15 on Sat 17 Apr to 09:05 on Sun 18 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2049/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 17 Apr
compat-drikpanchangComparison profileSat 17 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles19:15 → 18:0512:2948 min12:280 min17 Apr
Chicago21:15 → 20:0512:2648 min12:260 min17 Apr
Jersey City22:15 → 21:0512:3248 min12:320 min17 Apr
Port of Spain22:15 → 21:0511:4248 min11:410 min17 Apr
London03:15 → 02:0512:3748 min12:360 min17 Apr
Durban04:15 → 03:0511:3148 min11:310 min17 Apr
Dubai06:15 → 05:0511:5448 min11:540 min17 Apr
Delhi07:45 → 06:3511:5748 min11:570 min17 Apr
Kolkata07:45 → 06:3511:1248 min11:120 min17 Apr
Singapore10:15 → 09:0512:4048 min12:400 min17 Apr
Sydney12:15 → 11:0511:314 min11:300 min17 Apr
Suva14:15 → 13:0511:420 min11:4248 min18 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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