Ruling · Skanda Pañcamī · 2091

Friday 20 July

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 19 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 20 July

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
Pañcamī begins 12:05:33
10:5911:2311:4712:1112:3512:5913:23

29 of 48 minutes covered, the last 29

Midday of Saturday 21 July

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 12:06 on Fri 20 Jul to 10:04 on Sat 21 Jul.

    2091-07-20T08:35:34Z → 2091-07-21T06:34:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 on the 21st.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 29 of 48 minutes on the 20th and 0 of 48 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 1115 s

  5. 05

    Ruling

    Skanda Pañcamī, Tehran, 2091: Friday 20 July.

    confidence: determinate

Say it like this

In Tehran, Skanda Pañcamī 2091 falls on Friday 20 July. Pañcamī runs from 12:06 on Fri 20 Jul to 10:04 on Sat 21 Jul and covers 29 of 48 minutes of madhyāhna that midday.

ahargana.org/tehran/festivals/2091/skanda-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 20 Jul
compat-drikpanchangComparison profileFri 20 Jul
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/skanda-panchami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 5 Skanda pancami (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles01:36 → 23:3412:3648 min12:360 min20 Jul
Chicago03:36 → 01:3412:3348 min12:330 min20 Jul
Jersey City04:36 → 02:3412:3948 min12:390 min20 Jul
Port of Spain04:36 → 02:3411:4948 min11:490 min20 Jul
London09:36 → 07:3412:4348 min12:430 min20 Jul
Durban10:36 → 08:3411:3948 min11:390 min20 Jul
Dubai12:36 → 10:3412:0214 min12:020 min20 Jul
Delhi14:06 → 12:0412:040 min12:040 min21 Jul
Kolkata14:06 → 12:0411:190 min11:1945 min21 Jul
Singapore16:36 → 14:3412:470 min12:4848 min21 Jul
Sydney18:36 → 16:3411:380 min11:3848 min21 Jul
Suva20:36 → 18:3411:490 min11:4948 min21 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
skanda-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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