Ruling · Skanda Ṣaṣṭhī · 1912

Saturday 14 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 19 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 Saturday 14 December

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

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Sunday 15 December

Qualifies with 29 of 48 minutes. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
Ṣaṣṭhī ends 12:18:03
11:0111:2511:4912:1312:3713:0113:25

29 of 48 minutes covered, the first 29

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 09:36 on Sat 14 Dec to 12:18 on Sun 15 Dec.

    1912-12-14T01:36:28Z → 1912-12-15T04:18:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.

    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 14th and 29 of 48 on the 15th.

    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 1145 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1912: Saturday 14 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1912 falls on Saturday 14 December. Ṣaṣṭhī runs from 09:36 on Sat 14 Dec to 12:18 on Sun 15 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 29 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1912/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 14 Dec
compat-drikpanchangComparison profileSat 14 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles17:36 → 20:1811:2448 min11:240 min14 Dec
Chicago19:36 → 22:1811:2148 min11:220 min14 Dec
Jersey City20:36 → 23:1811:2748 min11:280 min14 Dec
Port of Spain21:36 → 00:1811:3748 min11:370 min14 Dec
London01:36 → 04:1811:3148 min11:320 min14 Dec
Durban03:36 → 06:1811:2748 min11:270 min14 Dec
Dubai05:17 → 07:5911:3048 min11:310 min14 Dec
Delhi07:06 → 09:4811:5248 min11:520 min14 Dec
Kolkata07:06 → 09:4811:0748 min11:080 min14 Dec
Singapore08:36 → 11:1811:3548 min11:360 min14 Dec
Sydney11:36 → 14:1811:2637 min11:2648 min14 Dec
Suva13:31 → 16:1311:320 min11:3248 min15 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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