Ruling · Hala Ṣaṣṭhī · 1979

Monday 13 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 244 minutes.

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 Sunday 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

Midday of Monday 13 August

Taken. The only midday Ṣaṣṭhī reaches.

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 18:52 on Sun 12 Aug to 16:51 on Mon 13 Aug.

    1979-08-12T10:51:47Z → 1979-08-13T08:50:33Z

  2. 02

    Kāla

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

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.

    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 14626 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 1979: Monday 13 August.

    confidence: determinate

Say it like this

In Baoding, Hala Ṣaṣṭhī 1979 falls on Monday 13 August. Ṣaṣṭhī runs from 18:52 on Sun 12 Aug to 16:51 on Mon 13 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1979/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 13 Aug
compat-drikpanchangComparison profileMon 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles03:52 → 01:5112:3448 min12:340 min12 Aug
Chicago05:52 → 03:5112:3148 min12:310 min12 Aug
Jersey City06:52 → 04:5112:3748 min12:370 min12 Aug
Port of Spain06:52 → 04:5111:4748 min11:470 min12 Aug
London11:52 → 09:5112:4148 min12:410 min12 Aug
Durban12:52 → 10:5111:370 min11:370 min13 Aug
Dubai14:52 → 12:5112:000 min12:0048 min13 Aug
Delhi16:22 → 14:2112:020 min12:0248 min13 Aug
Kolkata16:22 → 14:2111:180 min11:1748 min13 Aug
Singapore18:22 → 16:2112:160 min12:1648 min13 Aug
Sydney20:52 → 18:5111:360 min11:3648 min13 Aug
Suva22:52 → 20:5111:480 min11:4748 min13 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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