Ruling · Skanda Ṣaṣṭhī · 2080

Tuesday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 Tuesday 17 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Wednesday 18 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 01:05 on Tue 17 Dec to 03:48 on Wed 18 Dec.

    2080-12-16T17:04:38Z → 2080-12-17T19:47:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 17th, 11:51–12:39 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 48 of 48 minutes on the 17th and 0 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 28991 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2080: Tuesday 17 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2080 falls on Tuesday 17 December. Ṣaṣṭhī runs from 01:05 on Tue 17 Dec to 03:48 on Wed 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2080/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 17 Dec
compat-drikpanchangComparison profileTue 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 Angeles09:05 → 11:4811:2548 min11:2622 min16 Dec
Chicago11:05 → 13:4811:2348 min11:2348 min16 Dec
Jersey City12:05 → 14:4811:2912 min11:2948 min16 Dec
Port of Spain13:05 → 15:4811:380 min11:3948 min17 Dec
London17:05 → 19:4811:330 min11:3348 min17 Dec
Durban19:05 → 21:4811:280 min11:2848 min17 Dec
Dubai21:05 → 23:4811:510 min11:5148 min17 Dec
Delhi22:35 → 01:1811:530 min11:5448 min17 Dec
Kolkata22:35 → 01:1811:090 min11:0948 min17 Dec
Singapore01:05 → 03:4812:370 min12:3748 min17 Dec
Sydney04:05 → 06:4812:270 min12:2848 min17 Dec
Suva05:05 → 07:4811:380 min11:3948 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