Ruling · Skanda Ṣaṣṭhī · 2097

Tuesday 10 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 181 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 Monday 9 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

Midday of Tuesday 10 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

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 15:35 on Mon 9 Dec to 17:51 on Tue 10 Dec.

    2097-12-09T07:35:19Z → 2097-12-10T09:50:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 9th, 11:47–12:35 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 10830 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2097: Tuesday 10 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2097 falls on Tuesday 10 December. Ṣaṣṭhī runs from 15:35 on Mon 9 Dec to 17:51 on Tue 10 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2097/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 10 Dec
compat-drikpanchangComparison profileTue 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles23:35 → 01:5111:2248 min11:220 min9 Dec
Chicago01:35 → 03:5111:2048 min11:200 min9 Dec
Jersey City02:35 → 04:5111:2548 min11:260 min9 Dec
Port of Spain03:35 → 05:5111:3548 min11:350 min9 Dec
London07:35 → 09:5111:2948 min11:300 min9 Dec
Durban09:35 → 11:5111:2548 min11:2526 min9 Dec
Dubai11:35 → 13:5111:4848 min11:4848 min9 Dec
Delhi13:05 → 15:2111:500 min11:5048 min10 Dec
Kolkata13:05 → 15:2111:050 min11:0648 min10 Dec
Singapore15:35 → 17:5112:330 min12:3448 min10 Dec
Sydney18:35 → 20:5112:240 min12:2448 min10 Dec
Suva19:35 → 21:5111:350 min11:3548 min10 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