Ruling · Sūrya Ṣaṣṭhī (Chhath) · 1916

Wednesday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 269 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 Tuesday 31 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 Wednesday 1 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 19:02 on Tue 31 Oct to 16:54 on Wed 1 Nov.

    1916-10-31T11:02:06Z → 1916-11-01T08:54:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.

    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 31st and 48 of 48 on the 1st.

    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 16110 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 1916: Wednesday 1 November.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 1916 falls on Wednesday 1 November. Ṣaṣṭhī runs from 19:02 on Tue 31 Oct to 16:54 on Wed 1 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1916/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 1 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 1 Nov
compat-drikpanchangComparison profileWed 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles03:02 → 00:5411:1248 min11:120 min31 Oct
Chicago05:02 → 02:5411:1048 min11:100 min31 Oct
Jersey City06:02 → 03:5411:1648 min11:160 min31 Oct
Port of Spain07:02 → 04:5411:2648 min11:260 min31 Oct
London11:02 → 08:5411:2048 min11:200 min31 Oct
Durban13:02 → 10:5411:160 min11:160 min1 Nov
Dubai14:43 → 12:3511:190 min11:1948 min1 Nov
Delhi16:32 → 14:2411:410 min11:4148 min1 Nov
Kolkata16:32 → 14:2410:560 min10:5648 min1 Nov
Singapore18:02 → 15:5411:240 min11:2448 min1 Nov
Sydney21:02 → 18:5411:150 min11:1548 min1 Nov
Suva23:02 → 20:5411:260 min11:2648 min1 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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