Ruling · Caitrī Pūrṇimā · 2073

Saturday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 58 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 Friday 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

Midday of Saturday 22 April

Taken. Pūrṇimā reaches neither midday; the rule takes the second day.

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 13:39 on Fri 21 Apr to 09:56 on Sat 22 Apr.

    2073-04-21T05:38:52Z → 2073-04-22T01:55:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 3453 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2073: Saturday 22 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2073 falls on Saturday 22 April. Pūrṇimā runs from 13:39 on Fri 21 Apr to 09:56 on Sat 22 Apr, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2073/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 22 Apr
compat-drikpanchangComparison profileSat 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles22:39 → 18:5612:2848 min12:280 min21 Apr
Chicago00:39 → 20:5612:2648 min12:250 min21 Apr
Jersey City01:39 → 21:5612:3148 min12:310 min21 Apr
Port of Spain01:39 → 21:5611:4148 min11:410 min21 Apr
London06:39 → 02:5612:3648 min12:360 min21 Apr
Durban07:39 → 03:5611:3048 min11:300 min21 Apr
Dubai09:39 → 05:5611:5448 min11:540 min21 Apr
Delhi11:09 → 07:2611:5648 min11:560 min21 Apr
Kolkata11:09 → 07:2611:1248 min11:110 min21 Apr
Singapore13:39 → 09:5612:390 min12:390 min22 Apr
Sydney15:39 → 11:5611:300 min11:3026 min22 Apr
Suva17:39 → 13:5611:410 min11:4148 min22 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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