Ruling · Skanda Ṣaṣṭhī · 1974

Thursday 19 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 21 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 Thursday 19 December

Taken. Both middays qualify; the rule takes the first.

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

48 of 48 minutes covered

Midday of Friday 20 December

Qualifies with 21 of 48 minutes. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Ṣaṣṭhī ends 12:12:54
11:0311:2711:5112:1512:3913:0313:27

21 of 48 minutes covered, the first 21

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec.

    1974-12-19T01:38:29Z → 1974-12-20T04:12:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 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 21 of 48 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1287 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1974: Thursday 19 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1974 falls on Thursday 19 December. Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 21 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1974/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 19 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 19 Dec
compat-drikpanchangComparison profileThu 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles17:38 → 20:1311:2648 min11:270 min19 Dec
Chicago19:38 → 22:1311:2448 min11:240 min19 Dec
Jersey City20:38 → 23:1311:2948 min11:300 min19 Dec
Port of Spain21:38 → 00:1311:3948 min11:400 min19 Dec
London01:38 → 04:1311:3348 min11:340 min19 Dec
Durban03:38 → 06:1311:2948 min11:290 min19 Dec
Dubai05:38 → 08:1311:5248 min11:520 min19 Dec
Delhi07:08 → 09:4311:5448 min11:540 min19 Dec
Kolkata07:08 → 09:4311:0948 min11:100 min19 Dec
Singapore09:08 → 11:4312:0748 min12:080 min19 Dec
Sydney12:38 → 15:1312:2837 min12:2848 min19 Dec
Suva13:38 → 16:1311:390 min11:4048 min20 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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