Ruling · Caitrī Pūrṇimā · 2016

Friday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 43 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 21 April

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Friday 22 April

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pūrṇimā ends 13:23:35
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 10:51 on Thu 21 Apr to 13:24 on Fri 22 Apr.

    2016-04-21T02:50:35Z → 2016-04-22T05:23:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 2558 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2016: Friday 22 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2016 falls on Friday 22 April. Pūrṇimā runs from 10:51 on Thu 21 Apr to 13:24 on Fri 22 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/2016/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 22 Apr
compat-drikpanchangComparison profileFri 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles19:51 → 22:2412:2848 min12:280 min21 Apr
Chicago21:51 → 00:2412:2648 min12:250 min21 Apr
Jersey City22:51 → 01:2412:3148 min12:310 min21 Apr
Port of Spain22:51 → 01:2411:4148 min11:410 min21 Apr
London03:51 → 06:2412:3648 min12:350 min21 Apr
Durban04:51 → 07:2411:3048 min11:300 min21 Apr
Dubai06:51 → 09:2411:5448 min11:530 min21 Apr
Delhi08:21 → 10:5411:5648 min11:560 min21 Apr
Kolkata08:21 → 10:5411:1148 min11:110 min21 Apr
Singapore10:51 → 13:2412:3948 min12:3945 min22 Apr
Sydney12:51 → 15:2411:300 min11:2948 min22 Apr
Suva14:51 → 17:2411:410 min11:4148 min22 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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