Ruling · Māghī Pūrṇimā · 1979

Sunday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 89 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 Sunday 11 February

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

48 of 48 minutes covered

Midday of Monday 12 February

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 08:01 on Sun 11 Feb to 10:39 on Mon 12 Feb.

    1979-02-11T00:00:55Z → 1979-02-12T02:39:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 11th, 12:09–12:57 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. 105

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 5358 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1979: Sunday 11 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1979 falls on Sunday 11 February. Pūrṇimā runs from 08:01 on Sun 11 Feb to 10:39 on Mon 12 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1979/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 11 Feb
compat-drikpanchangComparison profileSun 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles16:01 → 18:3911:4348 min11:430 min11 Feb
Chicago18:01 → 20:3911:4148 min11:410 min11 Feb
Jersey City19:01 → 21:3911:4748 min11:470 min11 Feb
Port of Spain20:01 → 22:3911:5648 min11:560 min11 Feb
London00:01 → 02:3911:5148 min11:510 min11 Feb
Durban02:01 → 04:3911:4648 min11:460 min11 Feb
Dubai04:01 → 06:3912:0948 min12:090 min11 Feb
Delhi05:31 → 08:0912:1248 min12:120 min11 Feb
Kolkata05:31 → 08:0911:2748 min11:270 min11 Feb
Singapore07:31 → 10:0912:2548 min12:250 min11 Feb
Sydney11:01 → 13:3912:4548 min12:4548 min12 Feb
Suva12:01 → 14:3911:5644 min11:5648 min12 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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