Ruling · Skanda Ṣaṣṭhī · 1939

Saturday 16 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 28 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 16 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 17 December

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
Ṣaṣṭhī ends 13:05:30
11:0211:2611:5012:1412:3813:0213:26

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 10:37 on Sat 16 Dec to 13:06 on Sun 17 Dec.

    1939-12-16T02:37:15Z → 1939-12-17T05:05:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:50–12:38 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 1664 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1939: Saturday 16 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1939 falls on Saturday 16 December. Ṣaṣṭhī runs from 10:37 on Sat 16 Dec to 13:06 on Sun 17 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1939/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 16 Dec
compat-drikpanchangComparison profileSat 16 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 Angeles18:37 → 21:0611:2448 min11:250 min16 Dec
Chicago20:37 → 23:0611:2248 min11:230 min16 Dec
Jersey City21:37 → 00:0611:2848 min11:280 min16 Dec
Port of Spain22:37 → 01:0611:3748 min11:380 min16 Dec
London02:37 → 05:0611:3248 min11:320 min16 Dec
Durban04:37 → 07:0611:2748 min11:280 min16 Dec
Dubai06:37 → 09:0611:5048 min11:500 min16 Dec
Delhi08:07 → 10:3611:5248 min11:530 min16 Dec
Kolkata08:07 → 10:3611:0848 min11:080 min16 Dec
Singapore09:57 → 12:2611:5648 min11:5629 min16 Dec
Sydney12:37 → 15:0611:260 min11:2748 min17 Dec
Suva14:37 → 17:0611:370 min11:3848 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