Ruling · Caitrī Pūrṇimā · 2084

Thursday 20 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 465 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 20 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 21 April

Pūrṇimā is absent from madhyāhna. Not taken.

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

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 04:08 on Thu 20 Apr to 01:54 on Fri 21 Apr.

    2084-04-19T20:08:12Z → 2084-04-20T17:54:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 20th, 11:53–12:41 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 27920 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2084: Thursday 20 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2084 falls on Thursday 20 April. Pūrṇimā runs from 04:08 on Thu 20 Apr to 01:54 on Fri 21 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2084/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 20 Apr
compat-drikpanchangComparison profileThu 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 Angeles13:08 → 10:5412:288 min12:280 min19 Apr
Chicago15:08 → 12:5412:260 min12:2628 min20 Apr
Jersey City16:08 → 13:5412:320 min12:3248 min20 Apr
Port of Spain16:08 → 13:5411:410 min11:4148 min20 Apr
London21:08 → 18:5412:360 min12:3648 min20 Apr
Durban22:08 → 19:5411:310 min11:3148 min20 Apr
Dubai00:08 → 21:5411:540 min11:5448 min20 Apr
Delhi01:38 → 23:2411:570 min11:5648 min20 Apr
Kolkata01:38 → 23:2411:120 min11:1248 min20 Apr
Singapore04:08 → 01:5412:400 min12:4048 min20 Apr
Sydney06:08 → 03:5411:300 min11:3048 min20 Apr
Suva08:08 → 05:5411:410 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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