Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1958

Sunday 16 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 632 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 16 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 17 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 01:07 on Sun 16 Nov to 00:25 on Mon 17 Nov.

    1958-11-15T17:06:45Z → 1958-11-16T16:25:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 37915 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1958: Sunday 16 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1958 falls on Sunday 16 November. Ṣaṣṭhī runs from 01:07 on Sun 16 Nov to 00:25 on Mon 17 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1958/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 16 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 16 Nov
compat-drikpanchangComparison profileSun 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles09:07 → 08:2511:1348 min11:140 min15 Nov
Chicago11:07 → 10:2511:1148 min11:110 min15 Nov
Jersey City12:07 → 11:2511:170 min11:178 min16 Nov
Port of Spain13:07 → 12:2511:270 min11:2748 min16 Nov
London17:07 → 16:2511:210 min11:2148 min16 Nov
Durban19:07 → 18:2511:170 min11:1748 min16 Nov
Dubai21:07 → 20:2511:390 min11:3948 min16 Nov
Delhi22:37 → 21:5511:410 min11:4248 min16 Nov
Kolkata22:37 → 21:5510:570 min10:5748 min16 Nov
Singapore00:37 → 23:5511:550 min11:5548 min16 Nov
Sydney03:07 → 02:2511:160 min11:1648 min16 Nov
Suva05:07 → 04:2511:270 min11:2748 min16 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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