Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2072

Tuesday 15 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 166 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 Tuesday 15 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 Wednesday 16 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 07:34 on Tue 15 Nov to 08:53 on Wed 16 Nov.

    2072-11-14T23:33:38Z → 2072-11-16T00:52:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:39–12:27 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 9971 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2072: Tuesday 15 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2072 falls on Tuesday 15 November. Ṣaṣṭhī runs from 07:34 on Tue 15 Nov to 08:53 on Wed 16 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2072/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 15 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 15 Nov
compat-drikpanchangComparison profileTue 15 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 14thCoveredMadhyāhna 16thCoveredRuled
Los Angeles15:34 → 16:5311:140 min11:140 min15 Nov
Chicago17:34 → 18:5311:110 min11:110 min15 Nov
Jersey City18:34 → 19:5311:170 min11:170 min15 Nov
Port of Spain19:34 → 20:5311:270 min11:270 min15 Nov
London23:34 → 00:5311:210 min11:210 min15 Nov
Durban01:34 → 02:5311:170 min11:170 min15 Nov
Dubai03:34 → 04:5311:390 min11:400 min15 Nov
Delhi05:04 → 06:2311:420 min11:420 min15 Nov
Kolkata05:04 → 06:2310:570 min10:570 min15 Nov
Singapore07:34 → 08:5312:250 min12:260 min15 Nov
Sydney10:34 → 11:5312:160 min12:160 min15 Nov
Suva11:34 → 12:5311:270 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

About Ahargaṇa