Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1928

Sunday 18 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 208 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 Sunday 18 November

Taken. The only midday Ṣaṣṭhī reaches.

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

48 of 48 minutes covered

Midday of Monday 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

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 06:27 on Sun 18 Nov to 08:12 on Mon 19 Nov.

    1928-11-17T22:26:53Z → 1928-11-19T00:11:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:39–12:27 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 12453 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1928: Sunday 18 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1928 falls on Sunday 18 November. Ṣaṣṭhī runs from 06:27 on Sun 18 Nov to 08:12 on Mon 19 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1928/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 18 Nov
compat-drikpanchangComparison profileSun 18 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 17thCoveredMadhyāhna 19thCoveredRuled
Los Angeles14:27 → 16:1211:140 min11:140 min18 Nov
Chicago16:27 → 18:1211:110 min11:120 min18 Nov
Jersey City17:27 → 19:1211:170 min11:180 min18 Nov
Port of Spain18:27 → 20:1211:270 min11:280 min18 Nov
London22:27 → 00:1211:210 min11:220 min18 Nov
Durban00:27 → 02:1211:170 min11:170 min18 Nov
Dubai02:27 → 04:1211:400 min11:400 min18 Nov
Delhi03:57 → 05:4211:420 min11:420 min18 Nov
Kolkata03:57 → 05:4210:570 min10:580 min18 Nov
Singapore05:27 → 07:1211:260 min11:260 min18 Nov
Sydney08:27 → 10:1211:160 min11:170 min18 Nov
Suva10:27 → 12:1211:270 min11:2844 min18 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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