Ruling · Skanda Ṣaṣṭhī · 1915

Saturday 11 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 102 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 11 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

Midday of Sunday 12 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec.

    1915-12-11T02:04:33Z → 1915-12-12T00:32:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 11th, 11:47–12:35 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 48 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

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 6140 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1915: Saturday 11 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1915 falls on Saturday 11 December. Ṣaṣṭhī runs from 10:05 on Sat 11 Dec to 08:32 on Sun 12 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1915/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 11 Dec
compat-drikpanchangComparison profileSat 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles18:05 → 16:3211:2248 min11:220 min11 Dec
Chicago20:05 → 18:3211:2048 min11:200 min11 Dec
Jersey City21:05 → 19:3211:2548 min11:260 min11 Dec
Port of Spain22:05 → 20:3211:3548 min11:360 min11 Dec
London02:05 → 00:3211:2948 min11:300 min11 Dec
Durban04:05 → 02:3211:2548 min11:250 min11 Dec
Dubai05:46 → 04:1311:2948 min11:290 min11 Dec
Delhi07:35 → 06:0211:5048 min11:500 min11 Dec
Kolkata07:35 → 06:0211:0548 min11:060 min11 Dec
Singapore09:05 → 07:3211:3348 min11:340 min11 Dec
Sydney12:05 → 10:3211:247 min11:240 min11 Dec
Suva14:05 → 12:3211:350 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