Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2057

Friday 2 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 418 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 Thursday 1 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 Friday 2 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 21:46 on Thu 1 Nov to 19:24 on Fri 2 Nov.

    2057-11-01T13:46:10Z → 2057-11-02T11:23:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 1st, 11:38–12:26 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 25106 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2057: Friday 2 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2057 falls on Friday 2 November. Ṣaṣṭhī runs from 21:46 on Thu 1 Nov to 19:24 on Fri 2 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2057/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 2 Nov
compat-drikpanchangComparison profileFri 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles06:46 → 04:2412:1248 min12:120 min1 Nov
Chicago08:46 → 06:2412:1048 min12:100 min1 Nov
Jersey City09:46 → 07:2412:1648 min12:160 min1 Nov
Port of Spain09:46 → 07:2411:2648 min11:260 min1 Nov
London13:46 → 11:2411:200 min11:204 min2 Nov
Durban15:46 → 13:2411:160 min11:1648 min2 Nov
Dubai17:46 → 15:2411:380 min11:3848 min2 Nov
Delhi19:16 → 16:5411:410 min11:4148 min2 Nov
Kolkata19:16 → 16:5410:560 min10:5648 min2 Nov
Singapore21:46 → 19:2412:240 min12:2448 min2 Nov
Sydney00:46 → 22:2412:150 min12:1548 min2 Nov
Suva01:46 → 23:2411:260 min11:2648 min2 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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