Ruling · Śrī Pañcamī · 1921

Saturday 12 February

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 61 minutes.

Decide it for

RiyadhDelhiKolkataSingaporeSydneyJersey City

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two middays

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

Midday of Saturday 12 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Sunday 13 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 10:10 on Sat 12 Feb to 10:49 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: 11:50–12:38 on the 12th, 11:50–12:38 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 0 of 48 on the 13th.

    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: purvaviddha → only-day · margin 3630 s

  5. 05

    Ruling

    Śrī Pañcamī, Riyadh, 1921: Saturday 12 February.

    confidence: determinate

Say it like this

In Riyadh, Śrī Pañcamī 1921 falls on Saturday 12 February. Pañcamī runs from 10:10 on Sat 12 Feb to 10:49 on Sun 13 Feb and covers all of madhyāhna that midday.

ahargana.org/riyadh/festivals/1921/shri-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 Riyadh.

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

The rule, as data

/rules/shri-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
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 min12 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
shri-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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