Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 1979

Wednesday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 5 min 57 s.

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 28 August

Qualifies with 6 of 48 minutes. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
Ṣaṣṭhī begins 12:37:19
11:0711:3111:5512:1912:4313:0713:31

6 of 48 minutes covered, the last 6

Midday of Wednesday 29 August

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 12:37 on Tue 28 Aug to 13:45 on Wed 29 Aug.

    1979-08-28T04:37:19Z → 1979-08-29T05:44:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 28th, 11:55–12:43 on the 29th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 6 of 48 minutes on the 28th and 48 of 48 on the 29th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 357 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 1979: Wednesday 29 August.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 1979 falls on Wednesday 29 August. Ṣaṣṭhī runs from 12:37 on Tue 28 Aug to 13:45 on Wed 29 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 6 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/1979/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 29 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 29 Aug
compat-drikpanchangComparison profileWed 29 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/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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles21:37 → 22:4512:3048 min12:300 min28 Aug
Chicago23:37 → 00:4512:2848 min12:270 min28 Aug
Jersey City00:37 → 01:4512:3348 min12:330 min28 Aug
Port of Spain00:37 → 01:4511:4348 min11:430 min28 Aug
London05:37 → 06:4512:3748 min12:370 min28 Aug
Durban06:37 → 07:4511:3348 min11:330 min28 Aug
Dubai08:37 → 09:4511:5648 min11:560 min28 Aug
Delhi10:07 → 11:1511:5848 min11:580 min28 Aug
Kolkata10:07 → 11:1511:1448 min11:141 min29 Aug
Singapore12:07 → 13:1512:1248 min12:1248 min29 Aug
Sydney14:37 → 15:4511:330 min11:3348 min29 Aug
Suva16:37 → 17:4511:440 min11:4448 min29 Aug
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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