Ruling · Sūrya Ṣaṣṭhī (Chhath) · 2093

Sunday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 255 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 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 Monday 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 07:24 on Sun 25 Oct to 05:22 on Mon 26 Oct.

    2093-10-24T23:23:37Z → 2093-10-25T21:22:09Z

  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 15275 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī, Baoding, 2093: Sunday 25 October.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Chhath) 2093 falls on Sunday 25 October. Ṣaṣṭhī runs from 07:24 on Sun 25 Oct to 05:22 on Mon 26 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2093/surya-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 25 Oct
compat-drikpanchangComparison profileSun 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 Angeles16:24 → 14:2212:130 min12:1348 min25 Oct
Chicago18:24 → 16:2212:110 min12:1148 min25 Oct
Jersey City19:24 → 17:2212:160 min12:1648 min25 Oct
Port of Spain19:24 → 17:2211:260 min11:2648 min25 Oct
London00:24 → 21:2212:210 min11:2048 min25 Oct
Durban01:24 → 23:2211:170 min11:1648 min25 Oct
Dubai03:24 → 01:2211:390 min11:3948 min25 Oct
Delhi04:54 → 02:5211:410 min11:4148 min25 Oct
Kolkata04:54 → 02:5210:570 min10:5748 min25 Oct
Singapore07:24 → 05:2212:250 min12:2548 min25 Oct
Sydney10:24 → 08:2212:160 min12:1648 min25 Oct
Suva11:24 → 09:2211:270 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