Ruling · Caitrī Pūrṇimā · 2008

Sunday 20 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 236 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 Saturday 19 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

Midday of Sunday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 16:38 on Sat 19 Apr to 18:25 on Sun 20 Apr.

    2008-04-19T08:37:59Z → 2008-04-20T10:25:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 19th, 11:53–12:41 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 14182 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2008: Sunday 20 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2008 falls on Sunday 20 April. Pūrṇimā runs from 16:38 on Sat 19 Apr to 18:25 on Sun 20 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2008/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 20 Apr
compat-drikpanchangComparison profileSun 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 Angeles01:38 → 03:2512:2848 min12:280 min19 Apr
Chicago03:38 → 05:2512:2648 min12:260 min19 Apr
Jersey City04:38 → 06:2512:3248 min12:310 min19 Apr
Port of Spain04:38 → 06:2511:4148 min11:410 min19 Apr
London09:38 → 11:2512:3648 min12:360 min19 Apr
Durban10:38 → 12:2511:3148 min11:3148 min20 Apr
Dubai12:38 → 14:2511:544 min11:5448 min20 Apr
Delhi14:08 → 15:5511:560 min11:5648 min20 Apr
Kolkata14:08 → 15:5511:120 min11:1248 min20 Apr
Singapore16:38 → 18:2512:400 min12:4048 min20 Apr
Sydney18:38 → 20:2511:300 min11:3048 min20 Apr
Suva20:38 → 22:2511:410 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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