Ruling · Māghī Pūrṇimā · 2072

Thursday 4 February

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 13 s away. Say “contested”.

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 Wednesday 3 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 Thursday 4 February

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
Pūrṇimā ends 12:56:30
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 16:46 on Wed 3 Feb to 12:57 on Thu 4 Feb.

    2072-02-03T08:46:11Z → 2072-02-04T04:56:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 3rd, 12:08–12:56 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 13 s < 300 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 2072: Thursday 4 February.

    confidence: boundary (margin)

Say it like this

In Baoding, Māghī Pūrṇimā 2072 falls on Thursday 4 February. Pūrṇimā runs from 16:46 on Wed 3 Feb to 12:57 on Thu 4 Feb and covers all of madhyāhna that midday. It is 0 min 13 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2072/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 4 Feb
compat-drikpanchangComparison profileThu 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles00:46 → 20:5711:4348 min11:430 min3 Feb
Chicago02:46 → 22:5711:4148 min11:410 min3 Feb
Jersey City03:46 → 23:5711:4648 min11:470 min3 Feb
Port of Spain04:46 → 00:5711:5648 min11:560 min3 Feb
London08:46 → 04:5711:5148 min11:510 min3 Feb
Durban10:46 → 06:5711:4548 min11:460 min3 Feb
Dubai12:46 → 08:5712:0911 min12:090 min3 Feb
Delhi14:16 → 10:2712:110 min12:110 min4 Feb
Kolkata14:16 → 10:2711:260 min11:270 min4 Feb
Singapore16:46 → 12:5712:540 min12:552 min4 Feb
Sydney19:46 → 15:5712:450 min12:4548 min4 Feb
Suva20:46 → 16:5711:560 min11:5648 min4 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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