Ruling · Hala Ṣaṣṭhī · 2018

Saturday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 672 minutes.

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 Saturday 1 September

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

Midday of Sunday 2 September

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

Ṣaṣṭhī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 00:42 on Sat 1 Sep to 00:15 on Sun 2 Sep.

    2018-08-31T16:41:57Z → 2018-09-01T16:14:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:54–12:42 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 40318 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 2018: Saturday 1 September.

    confidence: determinate

Say it like this

In Baoding, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 00:42 on Sat 1 Sep to 00:15 on Sun 2 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 1 Sep
compat-drikpanchangComparison profileSat 1 Sep
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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles09:42 → 09:1512:2948 min12:290 min31 Aug
Chicago11:42 → 11:1512:2648 min12:260 min31 Aug
Jersey City12:42 → 12:1512:3238 min12:320 min31 Aug
Port of Spain12:42 → 12:1511:420 min11:4233 min1 Sep
London17:42 → 17:1512:360 min12:3648 min1 Sep
Durban18:42 → 18:1511:320 min11:3248 min1 Sep
Dubai20:42 → 20:1511:550 min11:5548 min1 Sep
Delhi22:12 → 21:4511:570 min11:5748 min1 Sep
Kolkata22:12 → 21:4511:130 min11:1248 min1 Sep
Singapore00:42 → 00:1512:410 min12:4148 min1 Sep
Sydney02:42 → 02:1511:320 min11:3248 min1 Sep
Suva04:42 → 04:1511:430 min11:4348 min1 Sep
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