Ruling · Hala Ṣaṣṭhī · 1922

Monday 14 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 58 s away. Say “contested”.

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 Sunday 13 August

Qualifies with 47 of 48 minutes. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
Ṣaṣṭhī begins 11:59:40
11:1111:3511:5912:2312:4713:1113:35

47 of 48 minutes covered, the last 47

Midday of Monday 14 August

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

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 12:00 on Sun 13 Aug to 14:17 on Mon 14 Aug.

    1922-08-13T03:59:41Z → 1922-08-14T06:17:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 13th, 11:59–12:47 on the 14th.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 47 of 48 minutes on the 13th and 48 of 48 on the 14th.

    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 58 s < 300 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 1922: Monday 14 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Hala Ṣaṣṭhī 1922 falls on Monday 14 August. Ṣaṣṭhī runs from 12:00 on Sun 13 Aug to 14:17 on Mon 14 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 47 minutes; by the rule the second midday is taken. It is 0 min 58 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1922/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 14 Aug
compat-drikpanchangComparison profileMon 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles20:00 → 22:1711:3348 min11:330 min13 Aug
Chicago23:00 → 01:1712:3148 min12:310 min13 Aug
Jersey City00:00 → 02:1712:3748 min12:370 min13 Aug
Port of Spain00:00 → 02:1711:4748 min11:470 min13 Aug
London05:00 → 07:1712:4148 min12:410 min13 Aug
Durban06:00 → 08:1711:3748 min11:370 min13 Aug
Dubai08:00 → 10:1711:5948 min11:590 min13 Aug
Delhi09:30 → 11:4712:0248 min12:020 min13 Aug
Kolkata09:30 → 11:4711:1748 min11:1730 min14 Aug
Singapore11:00 → 13:1711:4548 min11:4548 min14 Aug
Sydney14:00 → 16:1711:360 min11:3648 min14 Aug
Suva16:00 → 18:1711:470 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

About Ahargaṇa