Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 1986

Tuesday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 179 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 Tuesday 9 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

48 of 48 minutes covered

Midday of Wednesday 10 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 09:52 on Tue 9 Sep to 07:54 on Wed 10 Sep.

    1986-09-09T00:52:14Z → 1986-09-09T22:53:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 9th, 12:51–13:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 10746 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 1986: Tuesday 9 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 1986 falls on Tuesday 9 September. Ṣaṣṭhī runs from 09:52 on Tue 9 Sep to 07:54 on Wed 10 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 9 Sep
compat-drikpanchangComparison profileTue 9 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/surya-shashthi-bhadrapada · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Ṣaṣṭhī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“S 6 Surya sasthi (paraviddha), Lolarka sasthi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMadhyāhna 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles17:52 → 15:5412:2648 min12:260 min9 Sep
Chicago19:52 → 17:5412:2448 min12:230 min9 Sep
Jersey City20:52 → 18:5412:2948 min12:290 min9 Sep
Port of Spain20:52 → 18:5411:3948 min11:390 min9 Sep
London01:52 → 23:5412:3348 min12:330 min9 Sep
Durban02:52 → 00:5411:3048 min11:290 min9 Sep
Dubai04:52 → 02:5411:5248 min11:520 min9 Sep
Delhi06:22 → 04:2411:5448 min11:540 min9 Sep
Kolkata06:22 → 04:2411:1048 min11:100 min9 Sep
Singapore08:52 → 06:5412:3848 min12:380 min9 Sep
Sydney10:52 → 08:5411:2948 min11:290 min9 Sep
Suva12:52 → 10:5411:400 min11:400 min10 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
surya-shashthi-bhadrapada@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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