Ruling · Caitrī Pūrṇimā · 2065

Monday 20 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 324 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 20 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

Midday of Tuesday 21 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

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:30 on Mon 20 Apr to 02:37 on Tue 21 Apr.

    2065-04-19T22:29:48Z → 2065-04-20T18:36:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 19421 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2065: Monday 20 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2065 falls on Monday 20 April. Pūrṇimā runs from 06:30 on Mon 20 Apr to 02:37 on Tue 21 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2065/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 20 Apr
compat-drikpanchangComparison profileMon 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 Angeles15:30 → 11:3712:280 min12:280 min20 Apr
Chicago17:30 → 13:3712:260 min12:2648 min20 Apr
Jersey City18:30 → 14:3712:320 min12:3248 min20 Apr
Port of Spain18:30 → 14:3711:410 min11:4148 min20 Apr
London23:30 → 19:3712:360 min12:3648 min20 Apr
Durban00:30 → 20:3711:310 min11:3148 min20 Apr
Dubai02:30 → 22:3711:540 min11:5448 min20 Apr
Delhi04:00 → 00:0711:560 min11:5648 min20 Apr
Kolkata04:00 → 00:0711:120 min11:1248 min20 Apr
Singapore06:30 → 02:3712:400 min12:4048 min20 Apr
Sydney08:30 → 04:3711:300 min11:3048 min20 Apr
Suva10:30 → 06:3711:410 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

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