Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2026

Wednesday 16 September

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 561 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 15 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 12:21  13:09 madhyāhna ends
11:3311:5712:2112:4513:0913:3313:57

0 of 48 minutes covered

Midday of Wednesday 16 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 12:21  13:09 madhyāhna ends
11:3311:5712:2112:4513:0913:3313:57

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 22:30 on Tue 15 Sep to 00:18 on Thu 17 Sep.

    2026-09-16T03:29:54Z → 2026-09-17T05:18:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 15th, 12:21–13:09 on the 16th.

    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 15th and 48 of 48 on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 33631 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Chicago, 2026: Wednesday 16 September.

    confidence: determinate

Say it like this

In Chicago, Sūrya Ṣaṣṭhī (Bhādrapada) 2026 falls on Wednesday 16 September. Ṣaṣṭhī runs from 22:30 on Tue 15 Sep to 00:18 on Thu 17 Sep and covers all of madhyāhna that midday.

ahargana.org/chicago/festivals/2026/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 16 Sep
compat-drikpanchangComparison profileWed 16 Sep
No institution has a recorded ruling for Chicago.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/surya-shashthi-bhadrapada · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Ṣaṣṭhī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“S 6 Surya sasthi (paraviddha), Lolarka sasthi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles20:30 → 22:1812:2348 min12:230 min16 Sep
Chicago22:30 → 00:1812:2148 min12:210 min16 Sep
Jersey City23:30 → 01:1812:2748 min12:260 min16 Sep
Port of Spain23:30 → 01:1811:3748 min11:360 min16 Sep
London04:30 → 06:1812:3148 min12:300 min16 Sep
Durban05:30 → 07:1811:2748 min11:270 min16 Sep
Dubai07:30 → 09:1811:4948 min11:490 min16 Sep
Delhi09:00 → 10:4811:5248 min11:510 min16 Sep
Kolkata09:00 → 10:4811:0748 min11:070 min16 Sep
Singapore11:30 → 13:1812:3648 min12:3543 min17 Sep
Sydney13:30 → 15:1811:260 min11:2648 min17 Sep
Suva15:30 → 17:1811:370 min11:3748 min17 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
surya-shashthi-bhadrapada@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s