Ruling · Māghī Pūrṇimā · 1989

Monday 20 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 513 minutes.

Decide it for

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 19 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 Monday 20 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 21:30 on Sun 19 Feb to 23:32 on Mon 20 Feb.

    1989-02-19T13:29:39Z → 1989-02-20T15:31:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 19th, 12:08–12:56 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 30800 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1989: Monday 20 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1989 falls on Monday 20 February. Pūrṇimā runs from 21:30 on Sun 19 Feb to 23:32 on Mon 20 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1989/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 20 Feb
compat-drikpanchangComparison profileMon 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles05:30 → 07:3211:4348 min11:430 min19 Feb
Chicago07:30 → 09:3211:4148 min11:410 min19 Feb
Jersey City08:30 → 10:3211:4648 min11:460 min19 Feb
Port of Spain09:30 → 11:3211:5648 min11:560 min19 Feb
London13:30 → 15:3211:510 min11:5148 min20 Feb
Durban15:30 → 17:3211:460 min11:4548 min20 Feb
Dubai17:30 → 19:3212:090 min12:0948 min20 Feb
Delhi19:00 → 21:0212:110 min12:1148 min20 Feb
Kolkata19:00 → 21:0211:270 min11:2648 min20 Feb
Singapore21:30 → 23:3212:540 min12:5448 min20 Feb
Sydney00:30 → 02:3212:450 min12:4548 min20 Feb
Suva01:30 → 03:3211:560 min11:5648 min20 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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