Ruling · Skanda Ṣaṣṭhī · 1981

Wednesday 2 December

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 91 minutes.

Decide it for

ChattogramDelhiKolkataSingaporeSydneyJersey City

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two middays

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

Midday of Wednesday 2 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:18  12:06 madhyāhna ends
10:3010:5411:1811:4212:0612:3012:54

48 of 48 minutes covered

Midday of Thursday 3 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:18  12:06 madhyāhna ends
10:3010:5411:1811:4212:0612:3012:54

0 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 08:30 on Wed 2 Dec to 09:47 on Thu 3 Dec.

    1981-12-02T02:30:23Z → 1981-12-03T03:47:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 2nd, 11:18–12:06 on the 3rd.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    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 5474 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Chattogram, 1981: Wednesday 2 December.

    confidence: determinate

Say it like this

In Chattogram, Skanda Ṣaṣṭhī 1981 falls on Wednesday 2 December. Ṣaṣṭhī runs from 08:30 on Wed 2 Dec to 09:47 on Thu 3 Dec and covers all of madhyāhna that midday.

ahargana.org/chattogram/festivals/1981/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 2 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 2 Dec
compat-drikpanchangComparison profileWed 2 Dec
No institution has a recorded ruling for Chattogram.

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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles18:30 → 19:4711:1848 min11:190 min2 Dec
Chicago20:30 → 21:4711:1648 min11:160 min2 Dec
Jersey City21:30 → 22:4711:2248 min11:220 min2 Dec
Port of Spain22:30 → 23:4711:3248 min11:320 min2 Dec
London02:30 → 03:4711:2648 min11:260 min2 Dec
Durban04:30 → 05:4711:2148 min11:220 min2 Dec
Dubai06:30 → 07:4711:4448 min11:440 min2 Dec
Delhi08:00 → 09:1711:4648 min11:470 min2 Dec
Kolkata08:00 → 09:1711:0248 min11:020 min2 Dec
Singapore10:00 → 11:1712:0048 min12:000 min2 Dec
Sydney13:30 → 14:4712:210 min12:2148 min3 Dec
Suva14:30 → 15:4711:320 min11:3248 min3 Dec
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