Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1955

Sunday 20 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 20 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 21 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
Ṣaṣṭhī ends 11:03:41
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 08:45 on Sun 20 Nov to 11:04 on Mon 21 Nov.

    1955-11-20T00:45:02Z → 1955-11-21T03:03:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 20th, 11:40–12:28 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 2158 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1955: Sunday 20 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1955 falls on Sunday 20 November. Ṣaṣṭhī runs from 08:45 on Sun 20 Nov to 11:04 on Mon 21 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1955/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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles16:45 → 19:0411:1448 min11:150 min20 Nov
Chicago18:45 → 21:0411:1248 min11:120 min20 Nov
Jersey City19:45 → 22:0411:1848 min11:180 min20 Nov
Port of Spain20:45 → 23:0411:2848 min11:280 min20 Nov
London00:45 → 03:0411:2248 min11:220 min20 Nov
Durban02:45 → 05:0411:1848 min11:180 min20 Nov
Dubai04:45 → 07:0411:4048 min11:400 min20 Nov
Delhi06:15 → 08:3411:4248 min11:430 min20 Nov
Kolkata06:15 → 08:3410:5848 min10:580 min20 Nov
Singapore08:15 → 10:3411:5648 min11:560 min20 Nov
Sydney10:45 → 13:0411:1748 min11:1748 min20 Nov
Suva12:45 → 15:0411:280 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

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