Ruling · Māghī Pūrṇimā · 1971

Wednesday 10 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 9 February

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
Pūrṇimā begins 13:32:58
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Wednesday 10 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 13:33 on Tue 9 Feb to 15:41 on Wed 10 Feb.

    1971-02-09T05:32:58Z → 1971-02-10T07:41:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 2178 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1971: Wednesday 10 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1971 falls on Wednesday 10 February. Pūrṇimā runs from 13:33 on Tue 9 Feb to 15:41 on Wed 10 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 10 Feb
compat-drikpanchangComparison profileWed 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles21:33 → 23:4111:4348 min11:430 min9 Feb
Chicago23:33 → 01:4111:4148 min11:410 min9 Feb
Jersey City00:33 → 02:4111:4748 min11:470 min9 Feb
Port of Spain01:33 → 03:4111:5648 min11:560 min9 Feb
London06:33 → 08:4112:5148 min12:510 min9 Feb
Durban07:33 → 09:4111:4648 min11:460 min9 Feb
Dubai09:33 → 11:4112:0948 min12:090 min9 Feb
Delhi11:03 → 13:1112:1248 min12:1248 min10 Feb
Kolkata11:03 → 13:1111:2748 min11:2748 min10 Feb
Singapore13:03 → 15:1112:2510 min12:2548 min10 Feb
Sydney15:33 → 17:4111:450 min11:4548 min10 Feb
Suva17:33 → 19:4111:560 min11:5648 min10 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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