Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1929

Thursday 7 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 303 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 7 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 8 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 04:02 on Thu 7 Nov to 06:34 on Fri 8 Nov.

    1929-11-06T20:01:45Z → 1929-11-07T22:34:16Z

  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 48 of 48 minutes on the 7th and 0 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 18207 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1929: Thursday 7 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1929 falls on Thursday 7 November. Ṣaṣṭhī runs from 04:02 on Thu 7 Nov to 06:34 on Fri 8 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1929/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 7 Nov
compat-drikpanchangComparison profileThu 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles12:02 → 14:3411:120 min11:1348 min7 Nov
Chicago14:02 → 16:3411:100 min11:1048 min7 Nov
Jersey City15:02 → 17:3411:160 min11:1648 min7 Nov
Port of Spain16:02 → 18:3411:260 min11:2648 min7 Nov
London20:02 → 22:3411:200 min11:2048 min7 Nov
Durban22:02 → 00:3411:160 min11:1648 min7 Nov
Dubai00:02 → 02:3411:380 min11:3848 min7 Nov
Delhi01:32 → 04:0411:410 min11:4148 min7 Nov
Kolkata01:32 → 04:0410:560 min10:5648 min7 Nov
Singapore03:02 → 05:3411:240 min11:2448 min7 Nov
Sydney06:02 → 08:3411:150 min11:1548 min7 Nov
Suva08:02 → 10:3411:260 min11:2648 min7 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

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