Ruling · Hala Ṣaṣṭhī · 1971

Wednesday 11 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 43 s away. Say “contested”.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Wednesday 11 August

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
Ṣaṣṭhī begins 12:46:24
11:1111:3511:5912:2312:4713:1113:35

1 of 48 minutes covered, the last 1

Midday of Thursday 12 August

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

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 12:46 on Wed 11 Aug to 10:09 on Thu 12 Aug.

    1971-08-11T04:46:24Z → 1971-08-12T02:09:02Z

  2. 02

    Kāla

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

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 1 of 48 minutes on the 11th and 0 of 48 on the 12th.

    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 43 s < 300 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 1971: Wednesday 11 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Hala Ṣaṣṭhī 1971 falls on Wednesday 11 August. Ṣaṣṭhī runs from 12:46 on Wed 11 Aug to 10:09 on Thu 12 Aug and covers 1 of 48 minutes of madhyāhna that midday. It is 0 min 43 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1971/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 11 Aug
compat-drikpanchangComparison profileWed 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles21:46 → 19:0912:3448 min12:340 min11 Aug
Chicago23:46 → 21:0912:3148 min12:310 min11 Aug
Jersey City00:46 → 22:0912:3748 min12:370 min11 Aug
Port of Spain00:46 → 22:0911:4748 min11:470 min11 Aug
London05:46 → 03:0912:4148 min12:410 min11 Aug
Durban06:46 → 04:0911:3748 min11:370 min11 Aug
Dubai08:46 → 06:0912:0048 min12:000 min11 Aug
Delhi10:16 → 07:3912:0248 min12:020 min11 Aug
Kolkata10:16 → 07:3911:1848 min11:180 min11 Aug
Singapore12:16 → 09:3912:1647 min12:160 min11 Aug
Sydney14:46 → 12:0911:370 min11:3633 min12 Aug
Suva16:46 → 14:0911:480 min11:4848 min12 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