Ruling · Hala Ṣaṣṭhī · 2010

Tuesday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 5 min 37 s.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Monday 30 August

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
Ṣaṣṭhī begins 11:40:09
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Tuesday 31 August

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

madhyāhna begins 11:54  12:42 madhyāhna ends
Ṣaṣṭhī ends 12:47:52
11:0611:3011:5412:1812:4213:0613:30

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 11:40 on Mon 30 Aug to 12:48 on Tue 31 Aug.

    2010-08-30T03:40:09Z → 2010-08-31T04:47:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 30th, 11:54–12:42 on the 31st.

    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 30th and 48 of 48 on the 31st.

    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 337 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 2010: Tuesday 31 August.

    confidence: determinate

Say it like this

In Baoding, Hala Ṣaṣṭhī 2010 falls on Tuesday 31 August. Ṣaṣṭhī runs from 11:40 on Mon 30 Aug to 12:48 on Tue 31 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/2010/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 31 Aug
compat-drikpanchangComparison profileTue 31 Aug
No institution has a recorded ruling for Baoding.

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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles20:40 → 21:4812:2948 min12:290 min30 Aug
Chicago22:40 → 23:4812:2748 min12:260 min30 Aug
Jersey City23:40 → 00:4812:3348 min12:320 min30 Aug
Port of Spain23:40 → 00:4811:4348 min11:420 min30 Aug
London04:40 → 05:4812:3748 min12:360 min30 Aug
Durban05:40 → 06:4811:3348 min11:320 min30 Aug
Dubai07:40 → 08:4811:5548 min11:550 min30 Aug
Delhi09:10 → 10:1811:5848 min11:570 min30 Aug
Kolkata09:10 → 10:1811:1348 min11:130 min30 Aug
Singapore11:40 → 12:4812:4148 min12:417 min31 Aug
Sydney13:40 → 14:4811:320 min11:3248 min31 Aug
Suva15:40 → 16:4811:430 min11:4348 min31 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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