Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1910

Tuesday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 612 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 7 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

0 of 48 minutes covered

Midday of Tuesday 8 November

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 22:38 on Mon 7 Nov to 00:16 on Wed 9 Nov.

    1910-11-07T14:37:38Z → 1910-11-08T16:16:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 7th, 11:38–12:26 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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: unstated → only-day · margin 36718 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1910: Tuesday 8 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1910 falls on Tuesday 8 November. Ṣaṣṭhī runs from 22:38 on Mon 7 Nov to 00:16 on Wed 9 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 8 Nov
compat-drikpanchangComparison profileTue 8 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/surya-shashthi · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Ṣaṣṭhī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles06:38 → 08:1611:1348 min11:130 min7 Nov
Chicago08:38 → 10:1611:1048 min11:100 min7 Nov
Jersey City09:38 → 11:1611:1648 min11:160 min7 Nov
Port of Spain10:38 → 12:1611:2648 min11:2648 min7 Nov
London14:38 → 16:1611:200 min11:2048 min8 Nov
Durban16:38 → 18:1611:160 min11:1648 min8 Nov
Dubai18:19 → 19:5711:190 min11:1948 min8 Nov
Delhi20:08 → 21:4611:410 min11:4148 min8 Nov
Kolkata20:08 → 21:4610:560 min10:5648 min8 Nov
Singapore21:38 → 23:1611:240 min11:2448 min8 Nov
Sydney00:38 → 02:1611:150 min11:1548 min8 Nov
Suva02:33 → 04:1111:210 min11:2148 min8 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
surya-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa