Ruling · Skanda Ṣaṣṭhī · 2023

Monday 18 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 306 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 Sunday 17 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Monday 18 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 20:04 on Sun 17 Dec to 17:44 on Mon 18 Dec.

    2023-12-17T12:03:38Z → 2023-12-18T09:44:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 17th, 11:50–12:38 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 18363 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2023: Monday 18 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2023 falls on Monday 18 December. Ṣaṣṭhī runs from 20:04 on Sun 17 Dec to 17:44 on Mon 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2023/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 18 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 18 Dec
compat-drikpanchangComparison profileMon 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles04:04 → 01:4411:2548 min11:260 min17 Dec
Chicago06:04 → 03:4411:2348 min11:230 min17 Dec
Jersey City07:04 → 04:4411:2848 min11:290 min17 Dec
Port of Spain08:04 → 05:4411:3848 min11:390 min17 Dec
London12:04 → 09:4411:3217 min11:330 min17 Dec
Durban14:04 → 11:4411:280 min11:2816 min18 Dec
Dubai16:04 → 13:4411:510 min11:5148 min18 Dec
Delhi17:34 → 15:1411:530 min11:5348 min18 Dec
Kolkata17:34 → 15:1411:080 min11:0948 min18 Dec
Singapore20:04 → 17:4412:360 min12:3748 min18 Dec
Sydney23:04 → 20:4412:270 min12:2748 min18 Dec
Suva00:04 → 21:4411:380 min11:3948 min18 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