Ruling · Skanda Ṣaṣṭhī · 2013

Sunday 8 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 67 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Saturday 7 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Sunday 8 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

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 16:03 on Sat 7 Dec to 13:40 on Sun 8 Dec.

    2013-12-07T08:03:17Z → 2013-12-08T05:40:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 7th, 11:46–12:34 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 3990 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2013: Sunday 8 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2013 falls on Sunday 8 December. Ṣaṣṭhī runs from 16:03 on Sat 7 Dec to 13:40 on Sun 8 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2013/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 8 Dec
compat-drikpanchangComparison profileSun 8 Dec
No institution has a recorded ruling for Baoding.

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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles00:03 → 21:4011:2148 min11:210 min7 Dec
Chicago02:03 → 23:4011:1848 min11:190 min7 Dec
Jersey City03:03 → 00:4011:2448 min11:240 min7 Dec
Port of Spain04:03 → 01:4011:3448 min11:340 min7 Dec
London08:03 → 05:4011:2848 min11:280 min7 Dec
Durban10:03 → 07:4011:2348 min11:240 min7 Dec
Dubai12:03 → 09:4011:4631 min11:470 min7 Dec
Delhi13:33 → 11:1011:480 min11:490 min8 Dec
Kolkata13:33 → 11:1011:040 min11:046 min8 Dec
Singapore16:03 → 13:4012:320 min12:3248 min8 Dec
Sydney19:03 → 16:4012:230 min12:2348 min8 Dec
Suva21:03 → 18:4012:340 min12:3448 min8 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