Ruling · Skanda Ṣaṣṭhī · 1937

Thursday 9 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 399 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 8 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 of 48 minutes covered

Midday of Thursday 9 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

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 19:13 on Wed 8 Dec to 20:31 on Thu 9 Dec.

    1937-12-08T11:13:12Z → 1937-12-09T12:30:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 8th, 11:46–12:34 on the 9th.

    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 8th and 48 of 48 on the 9th.

    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 23964 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1937: Thursday 9 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1937 falls on Thursday 9 December. Ṣaṣṭhī runs from 19:13 on Wed 8 Dec to 20:31 on Thu 9 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 9 Dec
compat-drikpanchangComparison profileThu 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles03:13 → 04:3111:2148 min11:210 min8 Dec
Chicago05:13 → 06:3111:1848 min11:190 min8 Dec
Jersey City06:13 → 07:3111:2448 min11:250 min8 Dec
Port of Spain07:13 → 08:3111:3448 min11:340 min8 Dec
London11:13 → 12:3111:2848 min11:2948 min8 Dec
Durban13:13 → 14:3111:240 min11:2448 min9 Dec
Dubai15:13 → 16:3111:470 min11:4748 min9 Dec
Delhi16:43 → 18:0111:490 min11:4948 min9 Dec
Kolkata16:43 → 18:0111:040 min11:0548 min9 Dec
Singapore18:33 → 19:5111:520 min11:5348 min9 Dec
Sydney21:13 → 22:3111:230 min11:2348 min9 Dec
Suva23:13 → 00:3111:340 min11:3448 min9 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