Ruling · Skanda Ṣaṣṭhī · 1964

Thursday 10 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 586 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 Wednesday 9 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 10 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 22:21 on Wed 9 Dec to 00:17 on Fri 11 Dec.

    1964-12-09T14:20:39Z → 1964-12-10T16:17:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:47–12:35 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 35176 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1964: Thursday 10 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1964 falls on Thursday 10 December. Ṣaṣṭhī runs from 22:21 on Wed 9 Dec to 00:17 on Fri 11 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 10 Dec
compat-drikpanchangComparison profileThu 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles06:21 → 08:1711:2248 min11:220 min9 Dec
Chicago08:21 → 10:1711:1948 min11:200 min9 Dec
Jersey City09:21 → 11:1711:2548 min11:250 min9 Dec
Port of Spain10:21 → 12:1711:3548 min11:3542 min9 Dec
London14:21 → 16:1711:290 min11:2948 min10 Dec
Durban16:21 → 18:1711:240 min11:2548 min10 Dec
Dubai18:21 → 20:1711:470 min11:4848 min10 Dec
Delhi19:51 → 21:4711:490 min11:5048 min10 Dec
Kolkata19:51 → 21:4711:050 min11:0548 min10 Dec
Singapore21:51 → 23:4712:030 min12:0348 min10 Dec
Sydney00:21 → 02:1711:240 min11:2448 min10 Dec
Suva02:21 → 04:1711:350 min11:3548 min10 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