Ruling · Skanda Ṣaṣṭhī · 2077

Tuesday 21 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 52 s.

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 Monday 20 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 Tuesday 21 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Ṣaṣṭhī ends 12:48:19
11:0411:2811:5212:1612:4013:0413:28

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 14:29 on Mon 20 Dec to 12:48 on Tue 21 Dec.

    2077-12-20T06:28:52Z → 2077-12-21T04:48:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 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 0 of 48 minutes on the 20th and 48 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 472 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2077: Tuesday 21 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2077 falls on Tuesday 21 December. Ṣaṣṭhī runs from 14:29 on Mon 20 Dec to 12:48 on Tue 21 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2077/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 21 Dec
compat-drikpanchangComparison profileTue 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles22:29 → 20:4811:2748 min11:280 min20 Dec
Chicago00:29 → 22:4811:2548 min11:250 min20 Dec
Jersey City01:29 → 23:4811:3048 min11:310 min20 Dec
Port of Spain02:29 → 00:4811:4048 min11:410 min20 Dec
London06:29 → 04:4811:3448 min11:350 min20 Dec
Durban08:29 → 06:4811:3048 min11:300 min20 Dec
Dubai10:29 → 08:4811:5348 min11:530 min20 Dec
Delhi11:59 → 10:1811:5544 min11:550 min20 Dec
Kolkata11:59 → 10:1811:100 min11:110 min21 Dec
Singapore14:29 → 12:4812:380 min12:399 min21 Dec
Sydney17:29 → 15:4812:290 min12:2948 min21 Dec
Suva18:29 → 16:4811:400 min11:4148 min21 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