Ruling · Māghī Pūrṇimā · 2011

Friday 18 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 219 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 17 February

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 of 48 minutes covered

Midday of Friday 18 February

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

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 20:05 on Thu 17 Feb to 16:36 on Fri 18 Feb.

    2011-02-17T12:04:40Z → 2011-02-18T08:35:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 17th, 12:08–12:56 on the 18th.

    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 17th and 48 of 48 on the 18th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 13157 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 2011: Friday 18 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 2011 falls on Friday 18 February. Pūrṇimā runs from 20:05 on Thu 17 Feb to 16:36 on Fri 18 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 18 Feb
compat-drikpanchangComparison profileFri 18 Feb
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/maghi-purnima · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 105

“S 15 Maghi purnima (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles04:05 → 00:3611:4348 min11:430 min17 Feb
Chicago06:05 → 02:3611:4148 min11:410 min17 Feb
Jersey City07:05 → 03:3611:4748 min11:470 min17 Feb
Port of Spain08:05 → 04:3611:5648 min11:560 min17 Feb
London12:05 → 08:3611:5134 min11:510 min17 Feb
Durban14:05 → 10:3611:460 min11:460 min18 Feb
Dubai16:05 → 12:3612:090 min12:0927 min18 Feb
Delhi17:35 → 14:0612:110 min12:1148 min18 Feb
Kolkata17:35 → 14:0611:270 min11:2748 min18 Feb
Singapore20:05 → 16:3612:550 min12:5548 min18 Feb
Sydney23:05 → 19:3612:450 min12:4548 min18 Feb
Suva01:05 → 21:3612:560 min12:5648 min18 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maghi-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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