Ruling · Skanda Ṣaṣṭhī · 2015

Thursday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 71 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Wednesday 16 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Midday of Thursday 17 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

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 15:17 on Wed 16 Dec to 13:49 on Thu 17 Dec.

    2015-12-16T07:16:41Z → 2015-12-17T05:48:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:50–12:38 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 4261 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2015: Thursday 17 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2015 falls on Thursday 17 December. Ṣaṣṭhī runs from 15:17 on Wed 16 Dec to 13:49 on Thu 17 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 17 Dec
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles23:17 → 21:4911:2548 min11:250 min16 Dec
Chicago01:17 → 23:4911:2248 min11:230 min16 Dec
Jersey City02:17 → 00:4911:2848 min11:280 min16 Dec
Port of Spain03:17 → 01:4911:3848 min11:380 min16 Dec
London07:17 → 05:4911:3248 min11:320 min16 Dec
Durban09:17 → 07:4911:2748 min11:280 min16 Dec
Dubai11:17 → 09:4911:5048 min11:510 min16 Dec
Delhi12:47 → 11:1911:520 min11:530 min17 Dec
Kolkata12:47 → 11:1911:080 min11:0811 min17 Dec
Singapore15:17 → 13:4912:360 min12:3648 min17 Dec
Sydney18:17 → 16:4912:260 min12:2748 min17 Dec
Suva20:17 → 18:4912:380 min12:3848 min17 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