Ruling · Hala Ṣaṣṭhī · 2099

Sunday 6 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 96 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 5 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Sunday 6 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 14:16 on Sat 5 Sep to 15:59 on Sun 6 Sep.

    2099-09-05T06:16:30Z → 2099-09-06T07:58:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 5th, 11:53–12:41 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 5731 s

  5. 05

    Ruling

    Hala Ṣaṣṭhī, Baoding, 2099: Sunday 6 September.

    confidence: determinate

Say it like this

In Baoding, Hala Ṣaṣṭhī 2099 falls on Sunday 6 September. Ṣaṣṭhī runs from 14:16 on Sat 5 Sep to 15:59 on Sun 6 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2099/hala-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 6 Sep
compat-drikpanchangComparison profileSun 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles23:16 → 00:5912:2848 min12:270 min5 Sep
Chicago01:16 → 02:5912:2548 min12:250 min5 Sep
Jersey City02:16 → 03:5912:3148 min12:310 min5 Sep
Port of Spain02:16 → 03:5911:4148 min11:410 min5 Sep
London07:16 → 08:5912:3548 min12:350 min5 Sep
Durban08:16 → 09:5911:3148 min11:310 min5 Sep
Dubai10:16 → 11:5911:5448 min11:535 min6 Sep
Delhi11:46 → 13:2911:5648 min11:5648 min6 Sep
Kolkata11:46 → 13:2911:1213 min11:1148 min6 Sep
Singapore14:16 → 15:5912:400 min12:3948 min6 Sep
Sydney16:16 → 17:5911:310 min11:3048 min6 Sep
Suva18:16 → 19:5911:420 min11:4148 min6 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

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