Ruling · Hala Ṣaṣṭhī · 2025

Thursday 14 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 463 minutes.

Decide it for

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 14 August

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Midday of Friday 15 August

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

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 04:24 on Thu 14 Aug to 02:08 on Fri 15 Aug.

    2025-08-13T22:54:10Z → 2025-08-14T20:37:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 14th, 12:07–12:55 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 27796 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Ujjain, 2025: Thursday 14 August.

    confidence: determinate

Say it like this

In Ujjain, Hala Ṣaṣṭhī 2025 falls on Thursday 14 August. Ṣaṣṭhī runs from 04:24 on Thu 14 Aug to 02:08 on Fri 15 Aug and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 14 Aug
compat-drikpanchangComparison profileThu 14 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/hala-shashthi · ruleset 2026.3-draft

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

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

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles15:54 → 13:3812:330 min12:3348 min14 Aug
Chicago17:54 → 15:3812:310 min12:3148 min14 Aug
Jersey City18:54 → 16:3812:370 min12:3748 min14 Aug
Port of Spain18:54 → 16:3811:470 min11:4748 min14 Aug
London23:54 → 21:3812:410 min12:4148 min14 Aug
Durban00:54 → 22:3811:370 min11:3748 min14 Aug
Dubai02:54 → 00:3811:590 min11:5948 min14 Aug
Delhi04:24 → 02:0812:020 min12:0248 min14 Aug
Kolkata04:24 → 02:0811:170 min11:1748 min14 Aug
Singapore06:54 → 04:3812:450 min12:4548 min14 Aug
Sydney08:54 → 06:3811:360 min11:3648 min14 Aug
Suva10:54 → 08:3811:470 min11:4748 min14 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
hala-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s