Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1963

Friday 22 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 489 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 Friday 22 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 Saturday 23 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 02:22 on Fri 22 Nov to 03:31 on Sat 23 Nov.

    1963-11-21T18:21:35Z → 1963-11-22T19:31:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 22nd, 11:40–12:28 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 29339 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1963: Friday 22 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1963 falls on Friday 22 November. Ṣaṣṭhī runs from 02:22 on Fri 22 Nov to 03:31 on Sat 23 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 22 Nov
compat-drikpanchangComparison profileFri 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles10:22 → 11:3111:1548 min11:1516 min21 Nov
Chicago12:22 → 13:3111:120 min11:1248 min22 Nov
Jersey City13:22 → 14:3111:180 min11:1848 min22 Nov
Port of Spain14:22 → 15:3111:280 min11:2848 min22 Nov
London18:22 → 19:3111:220 min11:2248 min22 Nov
Durban20:22 → 21:3111:180 min11:1848 min22 Nov
Dubai22:22 → 23:3111:400 min11:4148 min22 Nov
Delhi23:52 → 01:0111:430 min11:4348 min22 Nov
Kolkata23:52 → 01:0110:580 min10:5848 min22 Nov
Singapore01:52 → 03:0111:560 min11:5748 min22 Nov
Sydney04:22 → 05:3111:170 min11:1748 min22 Nov
Suva06:22 → 07:3111:280 min11:2848 min22 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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