Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2087

Saturday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 84 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 Saturday 1 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 Sunday 2 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 08:21 on Sat 1 Nov to 10:14 on Sun 2 Nov.

    2087-11-01T00:21:29Z → 2087-11-02T02:13:31Z

  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 48 of 48 minutes on the 1st and 0 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 5052 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2087: Saturday 1 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2087 falls on Saturday 1 November. Ṣaṣṭhī runs from 08:21 on Sat 1 Nov to 10:14 on Sun 2 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 1 Nov
compat-drikpanchangComparison profileSat 1 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 Angeles17:21 → 19:1412:1348 min11:130 min1 Nov
Chicago19:21 → 21:1412:1048 min11:100 min1 Nov
Jersey City20:21 → 22:1412:1648 min11:160 min1 Nov
Port of Spain20:21 → 22:1411:2648 min11:260 min1 Nov
London00:21 → 02:1411:2048 min11:200 min1 Nov
Durban02:21 → 04:1411:1648 min11:160 min1 Nov
Dubai04:21 → 06:1411:3848 min11:380 min1 Nov
Delhi05:51 → 07:4411:4148 min11:410 min1 Nov
Kolkata05:51 → 07:4410:5648 min10:560 min1 Nov
Singapore08:21 → 10:1412:2448 min12:240 min1 Nov
Sydney11:21 → 13:1412:1548 min12:1548 min1 Nov
Suva12:21 → 14:1411:260 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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