Ruling · Skanda Ṣaṣṭhī · 1955

Tuesday 20 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 424 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 Tuesday 20 December

Taken. The only midday Ṣaṣṭhī reaches.

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

48 of 48 minutes covered

Midday of Wednesday 21 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 03:24 on Tue 20 Dec to 04:48 on Wed 21 Dec.

    1955-12-19T19:24:00Z → 1955-12-20T20:47:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:52–12:40 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 25441 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1955: Tuesday 20 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1955 falls on Tuesday 20 December. Ṣaṣṭhī runs from 03:24 on Tue 20 Dec to 04:48 on Wed 21 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1955/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 20 Dec
compat-drikpanchangComparison profileTue 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles11:24 → 12:4811:2648 min11:2648 min19 Dec
Chicago13:24 → 14:4811:240 min11:2448 min20 Dec
Jersey City14:24 → 15:4811:290 min11:3048 min20 Dec
Port of Spain15:24 → 16:4811:390 min11:3948 min20 Dec
London19:24 → 20:4811:330 min11:3448 min20 Dec
Durban21:24 → 22:4811:290 min11:2948 min20 Dec
Dubai23:24 → 00:4811:520 min11:5248 min20 Dec
Delhi00:54 → 02:1811:540 min11:5448 min20 Dec
Kolkata00:54 → 02:1811:090 min11:1048 min20 Dec
Singapore02:54 → 04:1812:070 min12:0848 min20 Dec
Sydney05:24 → 06:4811:280 min11:2848 min20 Dec
Suva07:24 → 08:4811:390 min11:3948 min20 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

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