Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2050

Sunday 20 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 398 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 19 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Sunday 20 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

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 20:30 on Sat 19 Nov to 19:06 on Sun 20 Nov.

    2050-11-19T12:30:22Z → 2050-11-20T11:05:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 19th, 11:40–12:28 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 23895 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2050: Sunday 20 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2050 falls on Sunday 20 November. Ṣaṣṭhī runs from 20:30 on Sat 19 Nov to 19:06 on Sun 20 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2050/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 20 Nov
compat-drikpanchangComparison profileSun 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles04:30 → 03:0611:1448 min11:150 min19 Nov
Chicago06:30 → 05:0611:1248 min11:120 min19 Nov
Jersey City07:30 → 06:0611:1848 min11:180 min19 Nov
Port of Spain08:30 → 07:0611:2848 min11:280 min19 Nov
London12:30 → 11:0611:220 min11:220 min20 Nov
Durban14:30 → 13:0611:170 min11:1848 min20 Nov
Dubai16:30 → 15:0611:400 min11:4048 min20 Nov
Delhi18:00 → 16:3611:420 min11:4348 min20 Nov
Kolkata18:00 → 16:3610:580 min10:5848 min20 Nov
Singapore20:30 → 19:0612:260 min12:2648 min20 Nov
Sydney23:30 → 22:0612:170 min12:1748 min20 Nov
Suva00:30 → 23:0611:280 min11:2848 min20 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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