Ruling · Śrī Pañcamī · 1908

Thursday 6 February

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 508 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Wednesday 5 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

Midday of Thursday 6 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 23:00 on Wed 5 Feb to 21:05 on Thu 6 Feb.

    1908-02-05T19:35:20Z → 1908-02-06T17:40:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 5th, 11:50–12:38 on the 6th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.

    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 30451 s

  5. 05

    Ruling

    Śrī Pañcamī, Tehran, 1908: Thursday 6 February.

    confidence: determinate

Say it like this

In Tehran, Śrī Pañcamī 1908 falls on Thursday 6 February. Pañcamī runs from 23:00 on Wed 5 Feb to 21:05 on Thu 6 Feb and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/1908/shri-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 6 Feb
compat-drikpanchangComparison profileThu 6 Feb
No institution has a recorded ruling for Tehran.

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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles11:35 → 09:4011:4348 min11:430 min5 Feb
Chicago13:35 → 11:4011:410 min11:410 min6 Feb
Jersey City14:35 → 12:4011:470 min11:4748 min6 Feb
Port of Spain15:35 → 13:4011:560 min11:5648 min6 Feb
London19:35 → 17:4011:510 min11:5148 min6 Feb
Durban21:35 → 19:4011:460 min11:4648 min6 Feb
Dubai23:16 → 21:2111:500 min11:5048 min6 Feb
Delhi01:05 → 23:1012:110 min12:1148 min6 Feb
Kolkata01:05 → 23:1011:270 min11:2748 min6 Feb
Singapore02:35 → 00:4011:550 min11:5548 min6 Feb
Sydney05:35 → 03:4011:450 min11:4548 min6 Feb
Suva07:30 → 05:3511:510 min11:5148 min6 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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