Ruling · Vasanta Pañcamī · 1921

Saturday 12 February

Boundaryin Multan, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

Decide it for

30°12′ N 71°29′ E · Asia/Karachi · GeoNames 1169825

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 12 February

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 12:35  13:23 madhyāhna ends
Pañcamī begins 12:34:09
11:4712:1112:3512:5913:2313:4714:11

48 of 48 minutes covered

Midday of Sunday 13 February

Qualifies with 38 of 48 minutes. Not taken.

madhyāhna begins 12:35  13:23 madhyāhna ends
Pañcamī ends 13:13:09
11:4712:1112:3512:5913:2313:4714:11

38 of 48 minutes covered, the first 38

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 12:34 on Sat 12 Feb to 13:13 on Sun 13 Feb.

    1921-02-12T07:04:09Z → 1921-02-13T07:43:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 12th, 12:35–13:23 on the 13th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 38 of 48 on the 13th.

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

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 31 s < 300 s

  5. 05

    Ruling

    Vasanta Pañcamī, Multan, 1921: Saturday 12 February.

    confidence: boundary (margin, tie-break-unstated)

Say it like this

In Multan, Vasanta Pañcamī 1921 falls on Saturday 12 February. Pañcamī runs from 12:34 on Sat 12 Feb to 13:13 on Sun 13 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 38 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 31 s from a threshold: treat the date as contested.

ahargana.org/multan/festivals/1921/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 12 Feb
compat-drikpanchangComparison profileSat 12 Feb
No institution has a recorded ruling for Multan.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/vasanta-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles23:04 → 23:4311:4448 min11:440 min12 Feb
Chicago01:04 → 01:4311:4148 min11:410 min12 Feb
Jersey City02:04 → 02:4311:4748 min11:470 min12 Feb
Port of Spain03:04 → 03:4311:5748 min11:570 min12 Feb
London07:04 → 07:4311:5148 min11:510 min12 Feb
Durban09:04 → 09:4311:4648 min11:460 min12 Feb
Dubai11:04 → 11:4312:0948 min12:090 min12 Feb
Delhi12:34 → 13:1312:1225 min12:1248 min13 Feb
Kolkata12:34 → 13:1311:270 min11:2748 min13 Feb
Singapore14:04 → 14:4311:550 min11:5548 min13 Feb
Sydney17:04 → 17:4311:450 min11:4548 min13 Feb
Suva19:04 → 19:4311:570 min11:5748 min13 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasanta-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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