Ruling · Skanda Ṣaṣṭhī · 2016

Monday 5 December

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 340 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Monday 5 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

48 of 48 minutes covered

Midday of Tuesday 6 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

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 04:56 on Mon 5 Dec to 05:27 on Tue 6 Dec.

    2016-12-04T20:56:19Z → 2016-12-05T21:26:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 5th, 11:07–11:55 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 20405 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Daqing, 2016: Monday 5 December.

    confidence: determinate

Say it like this

In Daqing, Skanda Ṣaṣṭhī 2016 falls on Monday 5 December. Ṣaṣṭhī runs from 04:56 on Mon 5 Dec to 05:27 on Tue 6 Dec and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2016/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 5 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 5 Dec
compat-drikpanchangComparison profileMon 5 Dec
No institution has a recorded ruling for Daqing.

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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles12:56 → 13:2711:190 min11:2048 min5 Dec
Chicago14:56 → 15:2711:170 min11:1748 min5 Dec
Jersey City15:56 → 16:2711:230 min11:2348 min5 Dec
Port of Spain16:56 → 17:2711:330 min11:3348 min5 Dec
London20:56 → 21:2711:270 min11:2748 min5 Dec
Durban22:56 → 23:2711:220 min11:2348 min5 Dec
Dubai00:56 → 01:2711:450 min11:4548 min5 Dec
Delhi02:26 → 02:5711:470 min11:4848 min5 Dec
Kolkata02:26 → 02:5711:030 min11:0348 min5 Dec
Singapore04:56 → 05:2712:310 min12:3148 min5 Dec
Sydney07:56 → 08:2712:220 min12:2248 min5 Dec
Suva09:56 → 10:2712:330 min12:3348 min5 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

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