Ruling · Māghī Pūrṇimā · 1981

Wednesday 18 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 Wednesday 18 February

Taken. The only midday Pūrṇimā reaches.

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

48 of 48 minutes covered

Midday of Thursday 19 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:39 on Wed 18 Feb to 06:58 on Thu 19 Feb.

    1981-02-17T22:39:23Z → 1981-02-18T22:58:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 18th, 12:08–12:56 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 18606 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1981: Wednesday 18 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1981 falls on Wednesday 18 February. Pūrṇimā runs from 06:39 on Wed 18 Feb to 06:58 on Thu 19 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1981/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 18 Feb
compat-drikpanchangComparison profileWed 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles14:39 → 14:5811:430 min11:4348 min18 Feb
Chicago16:39 → 16:5811:410 min11:4148 min18 Feb
Jersey City17:39 → 17:5811:470 min11:4748 min18 Feb
Port of Spain18:39 → 18:5811:560 min11:5648 min18 Feb
London22:39 → 22:5811:510 min11:5148 min18 Feb
Durban00:39 → 00:5811:460 min11:4648 min18 Feb
Dubai02:39 → 02:5812:090 min12:0948 min18 Feb
Delhi04:09 → 04:2812:110 min12:1148 min18 Feb
Kolkata04:09 → 04:2811:270 min11:2748 min18 Feb
Singapore06:09 → 06:2812:250 min12:2548 min18 Feb
Sydney09:39 → 09:5812:450 min12:4548 min18 Feb
Suva10:39 → 10:5811:560 min11:5648 min18 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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