Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2074

Thursday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 524 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 Thursday 25 October

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 Friday 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

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 02:54 on Thu 25 Oct to 00:37 on Fri 26 Oct.

    2074-10-24T18:54:02Z → 2074-10-25T16:37:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 25th, 11:38–12:26 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 31446 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2074: Thursday 25 October.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2074 falls on Thursday 25 October. Ṣaṣṭhī runs from 02:54 on Thu 25 Oct to 00:37 on Fri 26 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2074/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 25 Oct
compat-drikpanchangComparison profileThu 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles11:54 → 09:3712:1348 min12:130 min24 Oct
Chicago13:54 → 11:3712:110 min12:100 min25 Oct
Jersey City14:54 → 12:3712:160 min12:1621 min25 Oct
Port of Spain14:54 → 12:3711:260 min11:2648 min25 Oct
London19:54 → 17:3712:200 min12:2048 min25 Oct
Durban20:54 → 18:3711:160 min11:1648 min25 Oct
Dubai22:54 → 20:3711:390 min11:3948 min25 Oct
Delhi00:24 → 22:0711:410 min11:4148 min25 Oct
Kolkata00:24 → 22:0710:570 min10:5748 min25 Oct
Singapore02:54 → 00:3712:250 min12:2548 min25 Oct
Sydney05:54 → 03:3712:160 min12:1648 min25 Oct
Suva06:54 → 04:3711:270 min11:2748 min25 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

About Ahargaṇa