Ruling · Māghī Pūrṇimā · 1915

Sunday 31 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 12 s.

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 Saturday 30 January

Qualifies with 9 of 48 minutes. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
Pūrṇimā begins 12:46:26
11:2011:4412:0812:3212:5613:2013:44

9 of 48 minutes covered, the last 9

Midday of Sunday 31 January

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 12:08  12:56 madhyāhna ends
Pūrṇimā ends 12:40:53
11:2011:4412:0812:3212:5613:2013:44

33 of 48 minutes covered, the first 33

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 12:46 on Sat 30 Jan to 12:41 on Sun 31 Jan.

    1915-01-30T04:46:26Z → 1915-01-31T04:40:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 30th, 12:08–12:56 on the 31st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 9 of 48 minutes on the 30th and 33 of 48 on the 31st.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 552 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1915: Sunday 31 January.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1915 falls on Sunday 31 January. Pūrṇimā runs from 12:46 on Sat 30 Jan to 12:41 on Sun 31 Jan and covers 33 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 9 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/1915/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 31 Jan
compat-drikpanchangComparison profileSun 31 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles20:46 → 20:4111:4348 min11:430 min30 Jan
Chicago22:46 → 22:4111:4048 min11:400 min30 Jan
Jersey City23:46 → 23:4111:4648 min11:460 min30 Jan
Port of Spain00:46 → 00:4111:5548 min11:560 min30 Jan
London04:46 → 04:4111:5048 min11:500 min30 Jan
Durban06:46 → 06:4111:4548 min11:450 min30 Jan
Dubai08:27 → 08:2211:4948 min11:490 min30 Jan
Delhi10:16 → 10:1112:1148 min12:110 min30 Jan
Kolkata10:16 → 10:1111:2648 min11:260 min30 Jan
Singapore11:46 → 11:4111:5448 min11:540 min30 Jan
Sydney14:46 → 14:4111:440 min11:4448 min31 Jan
Suva16:41 → 16:3611:500 min11:5148 min31 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

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