Ruling · Skanda Ṣaṣṭhī · 1917

Wednesday 19 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 251 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 Wednesday 19 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 Thursday 20 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 07:40 on Wed 19 Dec to 05:23 on Thu 20 Dec.

    1917-12-18T23:39:48Z → 1917-12-19T21:23:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:52–12:40 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 15072 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1917: Wednesday 19 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1917 falls on Wednesday 19 December. Ṣaṣṭhī runs from 07:40 on Wed 19 Dec to 05:23 on Thu 20 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1917/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 19 Dec
compat-drikpanchangComparison profileWed 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles15:40 → 13:2311:260 min11:2648 min19 Dec
Chicago17:40 → 15:2311:230 min11:2448 min19 Dec
Jersey City18:40 → 16:2311:290 min11:2948 min19 Dec
Port of Spain19:40 → 17:2311:390 min11:3948 min19 Dec
London23:40 → 21:2311:330 min11:3448 min19 Dec
Durban01:40 → 23:2311:280 min11:2948 min19 Dec
Dubai03:21 → 01:0411:320 min11:3348 min19 Dec
Delhi05:10 → 02:5311:530 min11:5448 min19 Dec
Kolkata05:10 → 02:5311:090 min11:0948 min19 Dec
Singapore06:40 → 04:2311:370 min11:3748 min19 Dec
Sydney09:40 → 07:2311:280 min11:2848 min19 Dec
Suva11:40 → 09:2311:390 min11:3947 min19 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