Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1942

Friday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 214 minutes.

Decide it for

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 13 November

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 12:38  13:26 madhyāhna ends
11:5012:1412:3813:0213:2613:5014:14

48 of 48 minutes covered

Midday of Saturday 14 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 12:38  13:26 madhyāhna ends
11:5012:1412:3813:0213:2613:5014:14

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 09:04 on Fri 13 Nov to 06:40 on Sat 14 Nov.

    1942-11-13T00:04:13Z → 1942-11-13T21:40:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 13th, 12:38–13:26 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 12839 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1942: Friday 13 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1942 falls on Friday 13 November. Ṣaṣṭhī runs from 09:04 on Fri 13 Nov to 06:40 on Sat 14 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 13 Nov
compat-drikpanchangComparison profileFri 13 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles17:04 → 14:4012:1348 min12:130 min13 Nov
Chicago19:04 → 16:4012:1148 min12:110 min13 Nov
Jersey City20:04 → 17:4012:1648 min12:170 min13 Nov
Port of Spain21:04 → 18:4012:2648 min12:260 min13 Nov
London01:04 → 22:4012:2048 min12:210 min13 Nov
Durban03:04 → 00:4012:1648 min12:160 min13 Nov
Dubai04:04 → 01:4011:3948 min11:390 min13 Nov
Delhi06:34 → 04:1012:4148 min12:410 min13 Nov
Kolkata06:34 → 04:1011:5748 min11:570 min13 Nov
Singapore09:04 → 06:4013:2548 min13:250 min13 Nov
Sydney11:04 → 08:4012:1648 min12:160 min13 Nov
Suva12:04 → 09:4011:2710 min11:270 min13 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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