Ruling · Caitrī Pūrṇimā · 2040

Thursday 26 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 55 s.

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 Thursday 26 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Pūrṇimā begins 12:30:20
11:0411:2811:5212:1612:4013:0413:28

10 of 48 minutes covered, the last 10

Midday of Friday 27 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 12:30 on Thu 26 Apr to 10:38 on Fri 27 Apr.

    2040-04-26T04:30:20Z → 2040-04-27T02:37:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 26th, 11:52–12:40 on the 27th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 10 of 48 minutes on the 26th and 0 of 48 on the 27th.

    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 595 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2040: Thursday 26 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2040 falls on Thursday 26 April. Pūrṇimā runs from 12:30 on Thu 26 Apr to 10:38 on Fri 27 Apr and covers 10 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2040/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 26 Apr
compat-drikpanchangComparison profileThu 26 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles21:30 → 19:3812:2748 min12:270 min26 Apr
Chicago23:30 → 21:3812:2548 min12:250 min26 Apr
Jersey City00:30 → 22:3812:3048 min12:300 min26 Apr
Port of Spain00:30 → 22:3811:4048 min11:400 min26 Apr
London05:30 → 03:3812:3548 min12:350 min26 Apr
Durban06:30 → 04:3811:2948 min11:290 min26 Apr
Dubai08:30 → 06:3811:5348 min11:530 min26 Apr
Delhi10:00 → 08:0811:5548 min11:550 min26 Apr
Kolkata10:00 → 08:0811:1048 min11:100 min26 Apr
Singapore12:30 → 10:3812:3848 min12:380 min26 Apr
Sydney14:30 → 12:3811:290 min11:2948 min27 Apr
Suva16:30 → 14:3811:400 min11:4048 min27 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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