Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1968

Sunday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 8 min 56 s.

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 26 October

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 27 October

Taken. Ṣaṣṭhī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:38  12:26 madhyāhna ends
Ṣaṣṭhī ends 11:28:52
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 13:59 on Sat 26 Oct to 11:29 on Sun 27 Oct.

    1968-10-26T05:59:00Z → 1968-10-27T03:28:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 26th, 11:38–12:26 on the 27th.

    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 26th and 0 of 48 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 536 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1968: Sunday 27 October.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1968 falls on Sunday 27 October. Ṣaṣṭhī runs from 13:59 on Sat 26 Oct to 11:29 on Sun 27 Oct, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1968/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 27 Oct
compat-drikpanchangComparison profileSun 27 Oct
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles22:59 → 20:2912:1348 min11:130 min26 Oct
Chicago00:59 → 22:2912:1048 min11:100 min26 Oct
Jersey City01:59 → 23:2912:1648 min11:160 min26 Oct
Port of Spain01:59 → 23:2911:2648 min11:260 min26 Oct
London06:59 → 04:2912:2048 min12:200 min26 Oct
Durban07:59 → 05:2911:1648 min11:160 min26 Oct
Dubai09:59 → 07:2911:3948 min11:390 min26 Oct
Delhi11:29 → 08:5911:4148 min11:410 min26 Oct
Kolkata11:29 → 08:5910:5615 min10:560 min26 Oct
Singapore13:29 → 10:5911:550 min11:550 min27 Oct
Sydney15:59 → 13:2911:150 min11:1548 min27 Oct
Suva17:59 → 15:2911:260 min11:2648 min27 Oct
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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