Ruling · Hala Ṣaṣṭhī · 2012

Wednesday 8 August

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 6 min 42 s.

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 Tuesday 7 August

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:21  12:09 madhyāhna ends
10:3310:5711:2111:4512:0912:3312:57

48 of 48 minutes covered

Midday of Wednesday 8 August

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:21  12:09 madhyāhna ends
Ṣaṣṭhī ends 11:27:53
10:3310:5711:2111:4512:0912:3312:57

7 of 48 minutes covered, the first 7

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 09:45 on Tue 7 Aug to 11:28 on Wed 8 Aug.

    2012-08-07T01:45:29Z → 2012-08-08T03:27:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 7th, 11:21–12:09 on the 8th.

    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 7th and 7 of 48 on the 8th.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 402 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Daqing, 2012: Wednesday 8 August.

    confidence: determinate

Say it like this

In Daqing, Hala Ṣaṣṭhī 2012 falls on Wednesday 8 August. Ṣaṣṭhī runs from 09:45 on Tue 7 Aug to 11:28 on Wed 8 Aug and covers 7 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/daqing/festivals/2012/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 8 Aug
compat-drikpanchangComparison profileWed 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles18:45 → 20:2812:3448 min12:340 min7 Aug
Chicago20:45 → 22:2812:3248 min12:320 min7 Aug
Jersey City21:45 → 23:2812:3848 min12:380 min7 Aug
Port of Spain21:45 → 23:2811:4848 min11:480 min7 Aug
London02:45 → 04:2812:4248 min12:420 min7 Aug
Durban03:45 → 05:2811:3848 min11:380 min7 Aug
Dubai05:45 → 07:2812:0048 min12:000 min7 Aug
Delhi07:15 → 08:5812:0348 min12:020 min7 Aug
Kolkata07:15 → 08:5811:1848 min11:180 min7 Aug
Singapore09:45 → 11:2812:4648 min12:460 min7 Aug
Sydney11:45 → 13:2811:3740 min11:3748 min8 Aug
Suva13:45 → 15:2811:480 min11:4848 min8 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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