Ruling · Skanda Ṣaṣṭhī · 1947

Thursday 18 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 64 minutes.

Decide it for

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 18 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Friday 19 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

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 08:21 on Thu 18 Dec to 10:47 on Fri 19 Dec.

    1947-12-18T00:20:56Z → 1947-12-19T02:47:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 18th, 11:51–12:39 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 3814 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1947: Thursday 18 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1947 falls on Thursday 18 December. Ṣaṣṭhī runs from 08:21 on Thu 18 Dec to 10:47 on Fri 19 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1947/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 18 Dec
compat-drikpanchangComparison profileThu 18 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 Angeles16:21 → 18:4711:2548 min11:260 min18 Dec
Chicago18:21 → 20:4711:2348 min11:240 min18 Dec
Jersey City19:21 → 21:4711:2948 min11:290 min18 Dec
Port of Spain20:21 → 22:4711:3848 min11:390 min18 Dec
London00:21 → 02:4711:3348 min11:330 min18 Dec
Durban02:21 → 04:4711:2848 min11:290 min18 Dec
Dubai04:21 → 06:4711:5148 min11:520 min18 Dec
Delhi05:51 → 08:1711:5348 min11:540 min18 Dec
Kolkata05:51 → 08:1711:0948 min11:090 min18 Dec
Singapore07:51 → 10:1712:0748 min12:070 min18 Dec
Sydney10:21 → 12:4711:2748 min11:2848 min18 Dec
Suva12:21 → 14:4711:385 min11:3948 min18 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