Ruling · Skanda Ṣaṣṭhī · 1958

Tuesday 16 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 255 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 Monday 15 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Tuesday 16 December

Taken. The only midday Ṣaṣṭhī reaches.

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

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 16:52 on Mon 15 Dec to 17:29 on Tue 16 Dec.

    1958-12-15T08:52:11Z → 1958-12-16T09:28:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 15th, 11:49–12:37 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 15313 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1958: Tuesday 16 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1958 falls on Tuesday 16 December. Ṣaṣṭhī runs from 16:52 on Mon 15 Dec to 17:29 on Tue 16 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1958/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 16 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 16 Dec
compat-drikpanchangComparison profileTue 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles00:52 → 01:2911:2448 min11:250 min15 Dec
Chicago02:52 → 03:2911:2248 min11:220 min15 Dec
Jersey City03:52 → 04:2911:2748 min11:280 min15 Dec
Port of Spain04:52 → 05:2911:3748 min11:380 min15 Dec
London08:52 → 09:2911:3148 min11:320 min15 Dec
Durban10:52 → 11:2911:2748 min11:271 min15 Dec
Dubai12:52 → 13:2911:500 min11:5048 min16 Dec
Delhi14:22 → 14:5911:520 min11:5248 min16 Dec
Kolkata14:22 → 14:5911:070 min11:0848 min16 Dec
Singapore16:22 → 16:5912:050 min12:0648 min16 Dec
Sydney18:52 → 19:2911:260 min11:2748 min16 Dec
Suva20:52 → 21:2911:370 min11:3848 min16 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