Ruling · Vasanta Pañcamī · 1982

Friday 29 January

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 107 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 Friday 29 January

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Saturday 30 January

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 10:07 on Fri 29 Jan to 09:25 on Sat 30 Jan.

    1982-01-29T06:36:42Z → 1982-01-30T05:55:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 29th, 11:54–12:42 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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: unstated → only-day · margin 6415 s

  5. 05

    Ruling

    Vasanta Pañcamī, Tehran, 1982: Friday 29 January.

    confidence: determinate

Say it like this

In Tehran, Vasanta Pañcamī 1982 falls on Friday 29 January. Pañcamī runs from 10:07 on Fri 29 Jan to 09:25 on Sat 30 Jan and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/1982/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 29 Jan
compat-drikpanchangComparison profileFri 29 Jan
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/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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles22:37 → 21:5511:4248 min11:430 min29 Jan
Chicago00:37 → 23:5511:4048 min11:400 min29 Jan
Jersey City01:37 → 00:5511:4648 min11:460 min29 Jan
Port of Spain02:37 → 01:5511:5548 min11:550 min29 Jan
London06:37 → 05:5511:5048 min11:500 min29 Jan
Durban08:37 → 07:5511:4548 min11:450 min29 Jan
Dubai10:37 → 09:5512:0848 min12:080 min29 Jan
Delhi12:07 → 11:2512:1048 min12:110 min29 Jan
Kolkata12:07 → 11:2511:267 min11:260 min29 Jan
Singapore14:37 → 13:5512:540 min12:5448 min30 Jan
Sydney17:37 → 16:5512:440 min12:4448 min30 Jan
Suva18:37 → 17:5511:550 min11:5548 min30 Jan
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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