Ruling · Māghī Pūrṇimā · 1973

Saturday 17 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 310 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 Friday 16 February

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Saturday 17 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 19:50 on Fri 16 Feb to 18:07 on Sat 17 Feb.

    1973-02-16T11:50:18Z → 1973-02-17T10:06:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 16th, 12:09–12:57 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 18626 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1973: Saturday 17 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1973 falls on Saturday 17 February. Pūrṇimā runs from 19:50 on Fri 16 Feb to 18:07 on Sat 17 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 17 Feb
compat-drikpanchangComparison profileSat 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles03:50 → 02:0711:4348 min11:430 min16 Feb
Chicago05:50 → 04:0711:4148 min11:410 min16 Feb
Jersey City06:50 → 05:0711:4748 min11:470 min16 Feb
Port of Spain07:50 → 06:0711:5648 min11:560 min16 Feb
London11:50 → 10:0711:5148 min11:510 min16 Feb
Durban13:50 → 12:0711:460 min11:4621 min17 Feb
Dubai15:50 → 14:0712:090 min12:0948 min17 Feb
Delhi17:20 → 15:3712:110 min12:1148 min17 Feb
Kolkata17:20 → 15:3711:270 min11:2748 min17 Feb
Singapore19:20 → 17:3712:250 min12:2548 min17 Feb
Sydney22:50 → 21:0712:450 min12:4548 min17 Feb
Suva23:50 → 22:0711:560 min11:5648 min17 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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