Ruling · Skanda Ṣaṣṭhī · 2009

Sunday 22 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Sunday 22 November

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:40  12:28 madhyāhna ends
Ṣaṣṭhī begins 11:03:59
10:5211:1611:4012:0412:2812:5213:16

48 of 48 minutes covered

Midday of Monday 23 November

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov.

    2009-11-22T03:04:00Z → 2009-11-23T05:47:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 22nd, 11:40–12:28 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 2165 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 2009: Sunday 22 November.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 2009 falls on Sunday 22 November. Ṣaṣṭhī runs from 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/2009/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 22 Nov
compat-drikpanchangComparison profileSun 22 Nov
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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles19:04 → 21:4711:1548 min11:150 min22 Nov
Chicago21:04 → 23:4711:1348 min11:130 min22 Nov
Jersey City22:04 → 00:4711:1848 min11:190 min22 Nov
Port of Spain23:04 → 01:4711:2848 min11:290 min22 Nov
London03:04 → 05:4711:2248 min11:230 min22 Nov
Durban05:04 → 07:4711:1848 min11:180 min22 Nov
Dubai07:04 → 09:4711:4148 min11:410 min22 Nov
Delhi08:34 → 11:1711:4348 min11:430 min22 Nov
Kolkata08:34 → 11:1710:5948 min10:5919 min22 Nov
Singapore11:04 → 13:4712:2748 min12:2748 min22 Nov
Sydney14:04 → 16:4712:170 min12:1848 min23 Nov
Suva15:04 → 17:4711:280 min11:2948 min23 Nov
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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