Ruling · Caitrī Pūrṇimā · 1903

Saturday 11 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 163 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 11 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Sunday 12 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 09:13 on Sat 11 Apr to 08:18 on Sun 12 Apr.

    1903-04-11T01:13:22Z → 1903-04-12T00:18:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:56–12:44 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 9753 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1903: Saturday 11 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1903 falls on Saturday 11 April. Pūrṇimā runs from 09:13 on Sat 11 Apr to 08:18 on Sun 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 11 Apr
compat-drikpanchangComparison profileSat 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles17:13 → 16:1811:3148 min11:300 min11 Apr
Chicago19:13 → 18:1811:2848 min11:280 min11 Apr
Jersey City20:13 → 19:1811:3448 min11:340 min11 Apr
Port of Spain21:13 → 20:1811:4348 min11:430 min11 Apr
London01:13 → 00:1811:3848 min11:380 min11 Apr
Durban03:13 → 02:1811:3348 min11:330 min11 Apr
Dubai04:54 → 03:5911:3748 min11:370 min11 Apr
Delhi06:34 → 05:3911:5048 min11:490 min11 Apr
Kolkata06:34 → 05:3911:0548 min11:050 min11 Apr
Singapore08:08 → 07:1311:3748 min11:370 min11 Apr
Sydney11:13 → 10:1811:3248 min11:320 min11 Apr
Suva13:08 → 12:1311:390 min11:3835 min12 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

About Ahargaṇa