Ruling · Caitrī Pūrṇimā · 1993

Tuesday 6 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 331 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 Tuesday 6 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

Midday of Wednesday 7 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:26 on Tue 6 Apr to 02:43 on Wed 7 Apr.

    1993-04-05T22:26:10Z → 1993-04-06T18:43:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 6th, 11:57–12:45 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 19848 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1993: Tuesday 6 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1993 falls on Tuesday 6 April. Pūrṇimā runs from 06:26 on Tue 6 Apr to 02:43 on Wed 7 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1993/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 6 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 6 Apr
compat-drikpanchangComparison profileTue 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles15:26 → 11:4312:320 min12:320 min6 Apr
Chicago17:26 → 13:4312:300 min12:2948 min6 Apr
Jersey City18:26 → 14:4312:350 min12:3548 min6 Apr
Port of Spain18:26 → 14:4311:450 min11:4548 min6 Apr
London23:26 → 19:4312:400 min12:3948 min6 Apr
Durban00:26 → 20:4311:340 min11:3448 min6 Apr
Dubai02:26 → 22:4311:580 min11:5748 min6 Apr
Delhi03:56 → 00:1312:000 min12:0048 min6 Apr
Kolkata03:56 → 00:1311:150 min11:1548 min6 Apr
Singapore06:26 → 02:4312:430 min12:4348 min6 Apr
Sydney08:26 → 04:4311:340 min11:3348 min6 Apr
Suva10:26 → 06:4311:450 min11:4548 min6 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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