Ruling · Caitrī Pūrṇimā · 2004

Monday 5 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 378 minutes.

Decide it for

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 Sunday 4 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Monday 5 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 21:11 on Sun 4 Apr to 19:03 on Mon 5 Apr.

    2004-04-04T13:11:14Z → 2004-04-05T11:02:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 4th, 11:57–12:45 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 22655 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2004: Monday 5 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2004 falls on Monday 5 April. Pūrṇimā runs from 21:11 on Sun 4 Apr to 19:03 on Mon 5 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2004/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 5 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 5 Apr
compat-drikpanchangComparison profileMon 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles06:11 → 04:0312:3248 min12:320 min4 Apr
Chicago08:11 → 06:0312:3048 min12:300 min4 Apr
Jersey City09:11 → 07:0312:3548 min12:350 min4 Apr
Port of Spain09:11 → 07:0311:4548 min11:450 min4 Apr
London14:11 → 12:0312:400 min12:400 min5 Apr
Durban15:11 → 13:0311:350 min11:3448 min5 Apr
Dubai17:11 → 15:0311:580 min11:5848 min5 Apr
Delhi18:41 → 16:3312:000 min12:0048 min5 Apr
Kolkata18:41 → 16:3311:160 min11:1548 min5 Apr
Singapore21:11 → 19:0312:440 min12:4348 min5 Apr
Sydney23:11 → 21:0311:340 min11:3448 min5 Apr
Suva01:11 → 23:0311:450 min11:4548 min5 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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