Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2013

Wednesday 11 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 195 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 10 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 11 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

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 17:21 on Tue 10 Sep to 15:54 on Wed 11 Sep.

    2013-09-10T09:21:10Z → 2013-09-11T07:53:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 10th, 11:50–12:38 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 11709 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 2013: Wednesday 11 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 2013 falls on Wednesday 11 September. Ṣaṣṭhī runs from 17:21 on Tue 10 Sep to 15:54 on Wed 11 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2013/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 11 Sep
compat-drikpanchangComparison profileWed 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles02:21 → 00:5412:2548 min12:250 min10 Sep
Chicago04:21 → 02:5412:2348 min12:230 min10 Sep
Jersey City05:21 → 03:5412:2948 min12:280 min10 Sep
Port of Spain05:21 → 03:5411:3948 min11:380 min10 Sep
London10:21 → 08:5412:3348 min12:330 min10 Sep
Durban11:21 → 09:5411:2948 min11:290 min10 Sep
Dubai13:21 → 11:5411:520 min11:512 min11 Sep
Delhi14:51 → 13:2411:540 min11:5348 min11 Sep
Kolkata14:51 → 13:2411:090 min11:0948 min11 Sep
Singapore17:21 → 15:5412:380 min12:3748 min11 Sep
Sydney19:21 → 17:5411:280 min11:2848 min11 Sep
Suva21:21 → 19:5411:400 min11:3948 min11 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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