Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2058

Thursday 21 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 589 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 21 November

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

48 of 48 minutes covered

Midday of Friday 22 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 01:51 on Thu 21 Nov to 23:35 on Thu 21 Nov.

    2058-11-20T17:50:43Z → 2058-11-21T15:34:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 21st, 11:40–12:28 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 35349 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2058: Thursday 21 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2058 falls on Thursday 21 November. Ṣaṣṭhī runs from 01:51 on Thu 21 Nov to 23:35 on Thu 21 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2058/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 21 Nov
compat-drikpanchangComparison profileThu 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles09:51 → 07:3511:1548 min11:150 min20 Nov
Chicago11:51 → 09:3511:129 min11:120 min20 Nov
Jersey City12:51 → 10:3511:180 min11:180 min21 Nov
Port of Spain13:51 → 11:3511:280 min11:287 min21 Nov
London17:51 → 15:3511:220 min11:2248 min21 Nov
Durban19:51 → 17:3511:180 min11:1848 min21 Nov
Dubai21:51 → 19:3511:400 min11:4148 min21 Nov
Delhi23:21 → 21:0511:430 min11:4348 min21 Nov
Kolkata23:21 → 21:0510:580 min10:5848 min21 Nov
Singapore01:51 → 23:3512:260 min12:2648 min21 Nov
Sydney04:51 → 02:3512:170 min12:1748 min21 Nov
Suva05:51 → 03:3511:280 min11:2848 min21 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