Ruling · Hala Ṣaṣṭhī · 2005

Wednesday 24 August

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 13 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Wednesday 24 August

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:18  12:06 madhyāhna ends
Ṣaṣṭhī begins 11:52:41
10:3010:5411:1811:4212:0612:3012:54

13 of 48 minutes covered, the last 13

Midday of Thursday 25 August

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:18  12:06 madhyāhna ends
Ṣaṣṭhī ends 11:03:30
10:3010:5411:1811:4212:0612:3012:54

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 11:53 on Wed 24 Aug to 11:04 on Thu 25 Aug.

    2005-08-24T03:52:41Z → 2005-08-25T03:03:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 24th, 11:18–12:06 on the 25th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 13 of 48 minutes on the 24th and 0 of 48 on the 25th.

    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 796 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Daqing, 2005: Wednesday 24 August.

    confidence: determinate

Say it like this

In Daqing, Hala Ṣaṣṭhī 2005 falls on Wednesday 24 August. Ṣaṣṭhī runs from 11:53 on Wed 24 Aug to 11:04 on Thu 25 Aug and covers 13 of 48 minutes of madhyāhna that midday.

ahargana.org/daqing/festivals/2005/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 24 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 24 Aug
compat-drikpanchangComparison profileThu 25 Aug
No institution has a recorded ruling for Daqing.

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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles20:53 → 20:0412:3148 min12:310 min24 Aug
Chicago22:53 → 22:0412:2848 min12:280 min24 Aug
Jersey City23:53 → 23:0412:3448 min12:340 min24 Aug
Port of Spain23:53 → 23:0411:4448 min11:440 min24 Aug
London04:53 → 04:0412:3848 min12:380 min24 Aug
Durban05:53 → 05:0411:3448 min11:340 min24 Aug
Dubai07:53 → 07:0411:5748 min11:570 min24 Aug
Delhi09:23 → 08:3411:5948 min11:590 min24 Aug
Kolkata09:23 → 08:3411:1548 min11:140 min24 Aug
Singapore11:53 → 11:0412:4348 min12:430 min24 Aug
Sydney13:53 → 13:0411:340 min11:3448 min25 Aug
Suva15:53 → 15:0411:450 min11:4548 min25 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

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