Ruling · Māghī Pūrṇimā · 1990

Friday 9 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 503 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 9 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

Midday of Saturday 10 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 03:45 on Fri 9 Feb to 03:16 on Sat 10 Feb.

    1990-02-08T19:45:23Z → 1990-02-09T19:15:44Z

  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 48 of 48 minutes on the 9th and 0 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 30194 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1990: Friday 9 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1990 falls on Friday 9 February. Pūrṇimā runs from 03:45 on Fri 9 Feb to 03:16 on Sat 10 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1990/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 9 Feb
compat-drikpanchangComparison profileFri 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles11:45 → 11:1611:4346 min11:430 min8 Feb
Chicago13:45 → 13:1611:410 min11:4148 min9 Feb
Jersey City14:45 → 14:1611:470 min11:4748 min9 Feb
Port of Spain15:45 → 15:1611:560 min11:5648 min9 Feb
London19:45 → 19:1611:510 min11:5148 min9 Feb
Durban21:45 → 21:1611:460 min11:4648 min9 Feb
Dubai23:45 → 23:1612:090 min12:0948 min9 Feb
Delhi01:15 → 00:4612:110 min12:1148 min9 Feb
Kolkata01:15 → 00:4611:270 min11:2748 min9 Feb
Singapore03:45 → 03:1612:550 min12:5548 min9 Feb
Sydney06:45 → 06:1612:450 min12:4548 min9 Feb
Suva07:45 → 07:1611:560 min11:5648 min9 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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