Ruling · Skanda Ṣaṣṭhī · 1928

Tuesday 18 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 632 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 Monday 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 Tuesday 18 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

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 23:10 on Mon 17 Dec to 23:52 on Tue 18 Dec.

    1928-12-17T15:10:24Z → 1928-12-18T15:51:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 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 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 37935 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1928: Tuesday 18 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1928 falls on Tuesday 18 December. Ṣaṣṭhī runs from 23:10 on Mon 17 Dec to 23:52 on Tue 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1928/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 18 Dec
compat-drikpanchangComparison profileTue 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 Angeles07:10 → 07:5211:2548 min11:260 min17 Dec
Chicago09:10 → 09:5211:2348 min11:230 min17 Dec
Jersey City10:10 → 10:5211:2948 min11:290 min17 Dec
Port of Spain11:10 → 11:5211:3848 min11:3913 min17 Dec
London15:10 → 15:5211:330 min11:3348 min18 Dec
Durban17:10 → 17:5211:280 min11:2948 min18 Dec
Dubai19:10 → 19:5211:510 min11:5148 min18 Dec
Delhi20:40 → 21:2211:530 min11:5448 min18 Dec
Kolkata20:40 → 21:2211:090 min11:0948 min18 Dec
Singapore22:10 → 22:5211:370 min11:3748 min18 Dec
Sydney01:10 → 01:5211:270 min11:2848 min18 Dec
Suva03:10 → 03:5211:380 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

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