Ruling · Skanda Ṣaṣṭhī · 2087

Monday 1 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 587 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 1 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

48 of 48 minutes covered

Midday of Tuesday 2 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

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 01:05 on Mon 1 Dec to 01:57 on Tue 2 Dec.

    2087-11-30T17:05:12Z → 2087-12-01T17:56:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:44–12:32 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 35204 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2087: Monday 1 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2087 falls on Monday 1 December. Ṣaṣṭhī runs from 01:05 on Mon 1 Dec to 01:57 on Tue 2 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 1 Dec
compat-drikpanchangComparison profileMon 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles09:05 → 09:5711:1848 min11:180 min30 Nov
Chicago11:05 → 11:5711:1548 min11:1641 min30 Nov
Jersey City12:05 → 12:5711:214 min11:2248 min30 Nov
Port of Spain13:05 → 13:5711:310 min11:3148 min1 Dec
London17:05 → 17:5711:250 min11:2648 min1 Dec
Durban19:05 → 19:5711:210 min11:2148 min1 Dec
Dubai21:05 → 21:5711:440 min11:4448 min1 Dec
Delhi22:35 → 23:2711:460 min11:4648 min1 Dec
Kolkata22:35 → 23:2711:010 min11:0248 min1 Dec
Singapore01:05 → 01:5712:290 min12:3048 min1 Dec
Sydney04:05 → 04:5712:200 min12:2048 min1 Dec
Suva05:05 → 05:5711:310 min11:3148 min1 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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