Ruling · Caitrī Pūrṇimā · 1935

Thursday 18 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 404 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 Thursday 18 April

Taken. The only midday Pūrṇimā reaches.

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

48 of 48 minutes covered

Midday of Friday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 04:09 on Thu 18 Apr to 05:10 on Fri 19 Apr.

    1935-04-17T20:08:44Z → 1935-04-18T21:09:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 18th, 11:54–12:42 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 24256 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 1935: Thursday 18 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 1935 falls on Thursday 18 April. Pūrṇimā runs from 04:09 on Thu 18 Apr to 05:10 on Fri 19 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1935/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 18 Apr
compat-drikpanchangComparison profileThu 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles12:09 → 13:1011:298 min11:2948 min18 Apr
Chicago14:09 → 15:1011:270 min11:2648 min18 Apr
Jersey City15:09 → 16:1011:320 min11:3248 min18 Apr
Port of Spain16:09 → 17:1011:420 min11:4248 min18 Apr
London21:09 → 22:1012:370 min12:3748 min18 Apr
Durban22:09 → 23:1011:310 min11:3148 min18 Apr
Dubai00:09 → 01:1011:550 min11:5448 min18 Apr
Delhi01:39 → 02:4011:570 min11:5748 min18 Apr
Kolkata01:39 → 02:4011:130 min11:1248 min18 Apr
Singapore03:29 → 04:3012:000 min12:0048 min18 Apr
Sydney06:09 → 07:1011:310 min11:3148 min18 Apr
Suva08:09 → 09:1011:420 min11:4248 min18 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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