Ruling · Skanda Ṣaṣṭhī · 2000

Saturday 2 December

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 357 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 Friday 1 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:05  11:53 madhyāhna ends
10:1710:4111:0511:2911:5312:1712:41

0 of 48 minutes covered

Midday of Saturday 2 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:05  11:53 madhyāhna ends
10:1710:4111:0511:2911:5312:1712:41

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 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec.

    2000-12-01T09:49:43Z → 2000-12-02T12:31:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 1st, 11:05–11:53 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 21410 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Daqing, 2000: Saturday 2 December.

    confidence: determinate

Say it like this

In Daqing, Skanda Ṣaṣṭhī 2000 falls on Saturday 2 December. Ṣaṣṭhī runs from 17:50 on Fri 1 Dec to 20:31 on Sat 2 Dec and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2000/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 2 Dec
compat-drikpanchangComparison profileSat 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles01:50 → 04:3111:1848 min11:190 min1 Dec
Chicago03:50 → 06:3111:1648 min11:160 min1 Dec
Jersey City04:50 → 07:3111:2148 min11:220 min1 Dec
Port of Spain05:50 → 08:3111:3148 min11:320 min1 Dec
London09:50 → 12:3111:2548 min11:2648 min1 Dec
Durban11:50 → 14:3111:2119 min11:2248 min1 Dec
Dubai13:50 → 16:3111:440 min11:4448 min2 Dec
Delhi15:20 → 18:0111:460 min11:4648 min2 Dec
Kolkata15:20 → 18:0111:020 min11:0248 min2 Dec
Singapore17:50 → 20:3112:300 min12:3048 min2 Dec
Sydney20:50 → 23:3112:200 min12:2148 min2 Dec
Suva21:50 → 00:3111:310 min11:3248 min2 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