Ruling · Skanda Ṣaṣṭhī · 1908

Sunday 29 November

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 247 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 Saturday 28 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:23  12:11 madhyāhna ends
10:3510:5911:2311:4712:1112:3512:59

0 of 48 minutes covered

Midday of Sunday 29 November

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:24  12:12 madhyāhna ends
10:3611:0011:2411:4812:1212:3613:00

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 18:20 on Sat 28 Nov to 16:19 on Sun 29 Nov.

    1908-11-28T14:55:05Z → 1908-11-29T12:53:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 28th, 11:24–12:12 on the 29th.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 14849 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Tehran, 1908: Sunday 29 November.

    confidence: determinate

Say it like this

In Tehran, Skanda Ṣaṣṭhī 1908 falls on Sunday 29 November. Ṣaṣṭhī runs from 18:20 on Sat 28 Nov to 16:19 on Sun 29 Nov and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/1908/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 29 Nov
compat-drikpanchangComparison profileSun 29 Nov
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-shashthi · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Ṣaṣṭhī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles06:55 → 04:5411:1748 min11:170 min28 Nov
Chicago08:55 → 06:5411:1548 min11:150 min28 Nov
Jersey City09:55 → 07:5411:2048 min11:210 min28 Nov
Port of Spain10:55 → 08:5411:3048 min11:300 min28 Nov
London14:55 → 12:5411:240 min11:2548 min29 Nov
Durban16:55 → 14:5411:200 min11:2048 min29 Nov
Dubai18:36 → 16:3511:240 min11:2448 min29 Nov
Delhi20:25 → 18:2411:450 min11:4548 min29 Nov
Kolkata20:25 → 18:2411:000 min11:0148 min29 Nov
Singapore21:55 → 19:5411:290 min11:2948 min29 Nov
Sydney00:55 → 22:5411:190 min11:2048 min29 Nov
Suva02:50 → 00:4911:250 min11:2648 min29 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
skanda-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa