Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1972

Sunday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 568 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 Saturday 11 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

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

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 21:54 on Sat 11 Nov to 23:39 on Sun 12 Nov.

    1972-11-11T13:53:50Z → 1972-11-12T15:38:58Z

  2. 02

    Kāla

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

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.

    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 34071 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1972: Sunday 12 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1972 falls on Sunday 12 November. Ṣaṣṭhī runs from 21:54 on Sat 11 Nov to 23:39 on Sun 12 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1972/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 Angeles05:54 → 07:3911:1348 min11:130 min11 Nov
Chicago07:54 → 09:3911:1048 min11:110 min11 Nov
Jersey City08:54 → 10:3911:1648 min11:160 min11 Nov
Port of Spain09:54 → 11:3911:2648 min11:2613 min11 Nov
London13:54 → 15:3911:200 min11:2048 min12 Nov
Durban15:54 → 17:3911:160 min11:1648 min12 Nov
Dubai17:54 → 19:3911:390 min11:3948 min12 Nov
Delhi19:24 → 21:0911:410 min11:4148 min12 Nov
Kolkata19:24 → 21:0910:560 min10:5748 min12 Nov
Singapore21:24 → 23:0911:550 min11:5548 min12 Nov
Sydney00:54 → 02:3912:150 min12:1648 min12 Nov
Suva01:54 → 03:3911:260 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

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