Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1926

Thursday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 538 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 Wednesday 10 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 Thursday 11 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 22:31 on Wed 10 Nov to 21:24 on Thu 11 Nov.

    1926-11-10T14:31:12Z → 1926-11-11T13:24:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 32285 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1926: Thursday 11 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1926 falls on Thursday 11 November. Ṣaṣṭhī runs from 22:31 on Wed 10 Nov to 21:24 on Thu 11 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1926/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 11 Nov
compat-drikpanchangComparison profileThu 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles06:31 → 05:2411:1348 min11:130 min10 Nov
Chicago08:31 → 07:2411:1048 min11:100 min10 Nov
Jersey City09:31 → 08:2411:1648 min11:160 min10 Nov
Port of Spain10:31 → 09:2411:2648 min11:260 min10 Nov
London14:31 → 13:2411:200 min11:2048 min11 Nov
Durban16:31 → 15:2411:160 min11:1648 min11 Nov
Dubai18:31 → 17:2411:390 min11:3948 min11 Nov
Delhi20:01 → 18:5411:410 min11:4148 min11 Nov
Kolkata20:01 → 18:5410:560 min10:5648 min11 Nov
Singapore21:31 → 20:2411:250 min11:2548 min11 Nov
Sydney00:31 → 23:2411:150 min11:1548 min11 Nov
Suva02:31 → 01:2411:260 min11:2648 min11 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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