Ruling · Skanda Ṣaṣṭhī · 1999

Tuesday 14 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 366 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 Monday 13 December

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

0 of 48 minutes covered

Midday of Tuesday 14 December

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 18:42 on Mon 13 Dec to 20:05 on Tue 14 Dec.

    1999-12-13T10:41:31Z → 1999-12-14T12:05:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 13th, 11:48–12:36 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 21934 s

  5. 05

    Ruling

    Skanda Ṣaṣṭhī, Baoding, 1999: Tuesday 14 December.

    confidence: determinate

Say it like this

In Baoding, Skanda Ṣaṣṭhī 1999 falls on Tuesday 14 December. Ṣaṣṭhī runs from 18:42 on Mon 13 Dec to 20:05 on Tue 14 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1999/skanda-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 14 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 14 Dec
compat-drikpanchangComparison profileTue 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles02:42 → 04:0511:2348 min11:240 min13 Dec
Chicago04:42 → 06:0511:2148 min11:210 min13 Dec
Jersey City05:42 → 07:0511:2648 min11:270 min13 Dec
Port of Spain06:42 → 08:0511:3648 min11:370 min13 Dec
London10:42 → 12:0511:3048 min11:3134 min13 Dec
Durban12:42 → 14:0511:260 min11:2648 min14 Dec
Dubai14:42 → 16:0511:490 min11:4948 min14 Dec
Delhi16:12 → 17:3511:510 min11:5148 min14 Dec
Kolkata16:12 → 17:3511:060 min11:0748 min14 Dec
Singapore18:42 → 20:0512:340 min12:3548 min14 Dec
Sydney21:42 → 23:0512:250 min12:2648 min14 Dec
Suva23:42 → 01:0512:360 min12:3748 min14 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