Ruling · Caitrī Pūrṇimā · 1910

Sunday 24 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 369 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 23 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Sunday 24 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 18:50 on Sat 23 Apr to 21:22 on Sun 24 Apr.

    1910-04-23T10:50:03Z → 1910-04-24T13:22:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 22145 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1910: Sunday 24 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1910 falls on Sunday 24 April. Pūrṇimā runs from 18:50 on Sat 23 Apr to 21:22 on Sun 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 24 Apr
compat-drikpanchangComparison profileSun 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles02:50 → 05:2211:2848 min11:270 min23 Apr
Chicago04:50 → 07:2211:2548 min11:250 min23 Apr
Jersey City05:50 → 08:2211:3148 min11:310 min23 Apr
Port of Spain06:50 → 09:2211:4148 min11:400 min23 Apr
London10:50 → 13:2211:3548 min11:3548 min24 Apr
Durban12:50 → 15:2211:300 min11:3048 min24 Apr
Dubai14:31 → 17:0311:340 min11:3448 min24 Apr
Delhi16:20 → 18:5211:560 min11:5648 min24 Apr
Kolkata16:20 → 18:5211:110 min11:1148 min24 Apr
Singapore17:50 → 20:2211:390 min11:3948 min24 Apr
Sydney20:50 → 23:2211:290 min11:2948 min24 Apr
Suva22:45 → 01:1711:360 min11:3648 min24 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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