Ruling · Skanda Ṣaṣṭhī · 2027

Saturday 4 December

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 213 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 3 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

Midday of Saturday 4 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec.

    2027-12-03T10:43:52Z → 2027-12-04T13:26:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 3rd, 11:53–12:41 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 12805 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Ujjain, 2027: Saturday 4 December.

    confidence: determinate

Say it like this

In Ujjain, Skanda Ṣaṣṭhī 2027 falls on Saturday 4 December. Ṣaṣṭhī runs from 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2027/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 4 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 4 Dec
compat-drikpanchangComparison profileSat 4 Dec
No institution has a recorded ruling for Ujjain.

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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles02:44 → 05:2711:1948 min11:190 min3 Dec
Chicago04:44 → 07:2711:1648 min11:170 min3 Dec
Jersey City05:44 → 08:2711:2248 min11:220 min3 Dec
Port of Spain06:44 → 09:2711:3248 min11:320 min3 Dec
London10:44 → 13:2711:2648 min11:2648 min3 Dec
Durban12:44 → 15:2711:220 min11:2248 min4 Dec
Dubai14:44 → 17:2711:440 min11:4548 min4 Dec
Delhi16:14 → 18:5711:470 min11:4748 min4 Dec
Kolkata16:14 → 18:5711:020 min11:0248 min4 Dec
Singapore18:44 → 21:2712:300 min12:3148 min4 Dec
Sydney21:44 → 00:2712:210 min12:2148 min4 Dec
Suva22:44 → 01:2711:320 min11:3248 min4 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