Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2025

Friday 29 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 305 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

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

Midday of Thursday 28 August

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

0 of 48 minutes covered

Midday of Friday 29 August

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

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 17:57 on Thu 28 Aug to 20:22 on Fri 29 Aug.

    2025-08-28T12:27:26Z → 2025-08-29T14:52:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 28th, 12:04–12:52 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 18328 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Ujjain, 2025: Friday 29 August.

    confidence: determinate

Say it like this

In Ujjain, Sūrya Ṣaṣṭhī (Bhādrapada) 2025 falls on Friday 29 August. Ṣaṣṭhī runs from 17:57 on Thu 28 Aug to 20:22 on Fri 29 Aug and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 29 Aug
compat-drikpanchangComparison profileFri 29 Aug
No institution has a recorded ruling for Ujjain.

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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles05:27 → 07:5212:3048 min12:290 min28 Aug
Chicago07:27 → 09:5212:2748 min12:270 min28 Aug
Jersey City08:27 → 10:5212:3348 min12:330 min28 Aug
Port of Spain08:27 → 10:5211:4348 min11:430 min28 Aug
London13:27 → 15:5212:370 min12:3748 min29 Aug
Durban14:27 → 16:5211:330 min11:3348 min29 Aug
Dubai16:27 → 18:5211:560 min11:5648 min29 Aug
Delhi17:57 → 20:2211:580 min11:5848 min29 Aug
Kolkata17:57 → 20:2211:140 min11:1348 min29 Aug
Singapore20:27 → 22:5212:420 min12:4248 min29 Aug
Sydney22:27 → 00:5211:330 min11:3248 min29 Aug
Suva00:27 → 02:5211:440 min11:4348 min29 Aug
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