Ruling · Hala Ṣaṣṭhī · 1980

Sunday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 259 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 Saturday 30 August

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Sunday 31 August

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
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 19:34 on Sat 30 Aug to 17:01 on Sun 31 Aug.

    1980-08-30T11:34:23Z → 1980-08-31T09:01:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 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 0 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

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 15538 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 1980: Sunday 31 August.

    confidence: determinate

Say it like this

In Baoding, Hala Ṣaṣṭhī 1980 falls on Sunday 31 August. Ṣaṣṭhī runs from 19:34 on Sat 30 Aug to 17:01 on Sun 31 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1980/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 31 Aug
compat-drikpanchangComparison profileSun 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 Angeles04:34 → 02:0112:2948 min12:290 min30 Aug
Chicago06:34 → 04:0112:2748 min12:260 min30 Aug
Jersey City07:34 → 05:0112:3248 min12:320 min30 Aug
Port of Spain07:34 → 05:0111:4248 min11:420 min30 Aug
London12:34 → 10:0112:3648 min12:360 min30 Aug
Durban13:34 → 11:0111:330 min11:320 min31 Aug
Dubai15:34 → 13:0111:550 min11:5548 min31 Aug
Delhi17:04 → 14:3111:570 min11:5748 min31 Aug
Kolkata17:04 → 14:3111:130 min11:1348 min31 Aug
Singapore19:04 → 16:3112:110 min12:1148 min31 Aug
Sydney21:34 → 19:0111:320 min11:3248 min31 Aug
Suva23:34 → 21:0111:430 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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