Ruling · Māghī Pūrṇimā · 1913

Friday 21 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 57 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 Thursday 20 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 Friday 21 February

Taken. Pūrṇimā reaches neither midday; the rule takes the second day.

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 13:53 on Thu 20 Feb to 10:03 on Fri 21 Feb.

    1913-02-20T05:53:23Z → 1913-02-21T02:03:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 20th, 12:08–12:56 on the 21st.

    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 20th and 0 of 48 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 3418 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1913: Friday 21 February.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1913 falls on Friday 21 February. Pūrṇimā runs from 13:53 on Thu 20 Feb to 10:03 on Fri 21 Feb, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1913/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 21 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 21 Feb
compat-drikpanchangComparison profileFri 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles21:53 → 18:0311:4348 min11:430 min20 Feb
Chicago23:53 → 20:0311:4148 min11:410 min20 Feb
Jersey City00:53 → 21:0311:4748 min11:460 min20 Feb
Port of Spain01:53 → 22:0311:5648 min11:560 min20 Feb
London05:53 → 02:0311:5148 min11:510 min20 Feb
Durban07:53 → 04:0311:4648 min11:460 min20 Feb
Dubai09:34 → 05:4411:5048 min11:500 min20 Feb
Delhi11:23 → 07:3312:1148 min12:110 min20 Feb
Kolkata11:23 → 07:3311:2748 min11:270 min20 Feb
Singapore12:53 → 09:0311:550 min11:540 min21 Feb
Sydney15:53 → 12:0311:450 min11:4518 min21 Feb
Suva17:48 → 13:5811:510 min11:5148 min21 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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