Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2056

Sunday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 445 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 Sunday 12 November

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Monday 13 November

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 04:13 on Sun 12 Nov to 02:36 on Mon 13 Nov.

    2056-11-11T20:12:42Z → 2056-11-12T18:35:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 26728 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2056: Sunday 12 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2056 falls on Sunday 12 November. Ṣaṣṭhī runs from 04:13 on Sun 12 Nov to 02:36 on Mon 13 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2056/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 12 Nov
compat-drikpanchangComparison profileSun 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles12:13 → 10:3611:130 min11:130 min12 Nov
Chicago14:13 → 12:3611:110 min11:1148 min12 Nov
Jersey City15:13 → 13:3611:160 min11:1648 min12 Nov
Port of Spain16:13 → 14:3611:260 min11:2648 min12 Nov
London20:13 → 18:3611:200 min11:2048 min12 Nov
Durban22:13 → 20:3611:160 min11:1648 min12 Nov
Dubai00:13 → 22:3611:390 min11:3948 min12 Nov
Delhi01:43 → 00:0611:410 min11:4148 min12 Nov
Kolkata01:43 → 00:0610:570 min10:5748 min12 Nov
Singapore04:13 → 02:3612:250 min12:2548 min12 Nov
Sydney07:13 → 05:3612:160 min12:1648 min12 Nov
Suva08:13 → 06:3611:260 min11:2748 min12 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