Ruling · Māghī Pūrṇimā · 1991

Wednesday 30 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 74 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 Tuesday 29 January

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Midday of Wednesday 30 January

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 17:06 on Tue 29 Jan to 14:10 on Wed 30 Jan.

    1991-01-29T09:05:38Z → 1991-01-30T06:09:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 29th, 12:08–12:56 on the 30th.

    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 29th and 48 of 48 on the 30th.

    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 4450 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1991: Wednesday 30 January.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1991 falls on Wednesday 30 January. Pūrṇimā runs from 17:06 on Tue 29 Jan to 14:10 on Wed 30 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1991/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Jan
Ahargaṇa, classicalDisc centre, no refractionWed 30 Jan
compat-drikpanchangComparison profileWed 30 Jan
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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles01:06 → 22:1011:4248 min11:420 min29 Jan
Chicago03:06 → 00:1011:4048 min11:400 min29 Jan
Jersey City04:06 → 01:1011:4648 min11:460 min29 Jan
Port of Spain05:06 → 02:1011:5548 min11:550 min29 Jan
London09:06 → 06:1011:5048 min11:500 min29 Jan
Durban11:06 → 08:1011:4548 min11:450 min29 Jan
Dubai13:06 → 10:1012:080 min12:080 min30 Jan
Delhi14:36 → 11:4012:100 min12:100 min30 Jan
Kolkata14:36 → 11:4011:260 min11:2614 min30 Jan
Singapore17:06 → 14:1012:540 min12:5448 min30 Jan
Sydney20:06 → 17:1012:440 min12:4448 min30 Jan
Suva21:06 → 18:1011:550 min11:5548 min30 Jan
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

About Ahargaṇa