Ruling · Māghī Pūrṇimā · 2099

Thursday 5 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 474 minutes.

Decide it for

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 4 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

Midday of Thursday 5 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 00:31 on Thu 5 Feb to 20:51 on Thu 5 Feb.

    2099-02-04T16:30:58Z → 2099-02-05T12:50:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 4th, 12:09–12:57 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 28446 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 2099: Thursday 5 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 2099 falls on Thursday 5 February. Pūrṇimā runs from 00:31 on Thu 5 Feb to 20:51 on Thu 5 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2099/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 5 Feb
compat-drikpanchangComparison profileThu 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles08:31 → 04:5111:4348 min11:430 min4 Feb
Chicago10:31 → 06:5111:4148 min11:410 min4 Feb
Jersey City11:31 → 07:5111:4748 min11:470 min4 Feb
Port of Spain12:31 → 08:5111:5613 min11:560 min4 Feb
London16:31 → 12:5111:510 min11:5148 min5 Feb
Durban18:31 → 14:5111:460 min11:4648 min5 Feb
Dubai20:31 → 16:5112:090 min12:0948 min5 Feb
Delhi22:01 → 18:2112:110 min12:1148 min5 Feb
Kolkata22:01 → 18:2111:270 min11:2748 min5 Feb
Singapore00:31 → 20:5112:550 min12:5548 min5 Feb
Sydney03:31 → 23:5112:450 min12:4548 min5 Feb
Suva04:31 → 00:5111:560 min11:5648 min5 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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