Ruling · Skanda Ṣaṣṭhī · 1934

Wednesday 12 December

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 11 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 11 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:09  11:57 madhyāhna ends
Ṣaṣṭhī begins 12:07:52
10:2110:4511:0911:3311:5712:2112:45

0 of 48 minutes covered

Midday of Wednesday 12 December

Taken. Ṣaṣṭhī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:09  11:57 madhyāhna ends
10:2110:4511:0911:3311:5712:2112:45

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 12:08 on Tue 11 Dec to 09:48 on Wed 12 Dec.

    1934-12-11T04:07:52Z → 1934-12-12T01:47:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 11th, 11:09–11:57 on the 12th.

    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 11th and 0 of 48 on the 12th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 660 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Daqing, 1934: Wednesday 12 December.

    confidence: determinate

Say it like this

In Daqing, Skanda Ṣaṣṭhī 1934 falls on Wednesday 12 December. Ṣaṣṭhī runs from 12:08 on Tue 11 Dec to 09:48 on Wed 12 Dec, and reaches madhyāhna on neither day.

ahargana.org/daqing/festivals/1934/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 12 Dec
compat-drikpanchangComparison profileTue 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles20:08 → 17:4811:2248 min11:230 min11 Dec
Chicago22:08 → 19:4811:2048 min11:200 min11 Dec
Jersey City23:08 → 20:4811:2548 min11:260 min11 Dec
Port of Spain00:08 → 21:4811:3548 min11:360 min11 Dec
London04:08 → 01:4811:3048 min11:300 min11 Dec
Durban06:08 → 03:4811:2548 min11:250 min11 Dec
Dubai08:08 → 05:4811:4848 min11:480 min11 Dec
Delhi09:38 → 07:1811:5048 min11:510 min11 Dec
Kolkata09:38 → 07:1811:0648 min11:060 min11 Dec
Singapore11:28 → 09:0811:5448 min11:540 min11 Dec
Sydney14:08 → 11:4811:240 min11:2523 min12 Dec
Suva16:08 → 13:4811:350 min11:3648 min12 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