Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1902

Thursday 6 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 373 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 Thursday 6 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

Midday of Friday 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

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 02:56 on Thu 6 Nov to 05:24 on Fri 7 Nov.

    1902-11-05T18:55:48Z → 1902-11-06T21:24:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 6th, 11:38–12:26 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 22398 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1902: Thursday 6 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1902 falls on Thursday 6 November. Ṣaṣṭhī runs from 02:56 on Thu 6 Nov to 05:24 on Fri 7 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1902/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 6 Nov
compat-drikpanchangComparison profileThu 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles10:56 → 13:2411:1248 min11:1248 min5 Nov
Chicago12:56 → 15:2411:100 min11:1048 min6 Nov
Jersey City13:56 → 16:2411:160 min11:1648 min6 Nov
Port of Spain14:56 → 17:2411:260 min11:2648 min6 Nov
London18:56 → 21:2411:200 min11:2048 min6 Nov
Durban20:26 → 22:5410:460 min10:4648 min6 Nov
Dubai22:37 → 01:0511:190 min11:1948 min6 Nov
Delhi00:17 → 02:4511:320 min11:3248 min6 Nov
Kolkata00:17 → 02:4510:470 min10:4748 min6 Nov
Singapore01:51 → 04:1911:190 min11:1948 min6 Nov
Sydney04:56 → 07:2411:150 min11:1548 min6 Nov
Suva06:51 → 09:1911:210 min11:2148 min6 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