Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2021

Sunday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 433 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 11 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Sunday 12 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 22:08 on Sat 11 Sep to 19:51 on Sun 12 Sep.

    2021-09-11T14:07:39Z → 2021-09-12T11:51:06Z

  2. 02

    Kāla

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

    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 11th and 48 of 48 on the 12th.

    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 25978 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 2021: Sunday 12 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 2021 falls on Sunday 12 September. Ṣaṣṭhī runs from 22:08 on Sat 11 Sep to 19:51 on Sun 12 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2021/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 12 Sep
compat-drikpanchangComparison profileSun 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles07:08 → 04:5112:2548 min12:250 min11 Sep
Chicago09:08 → 06:5112:2348 min12:220 min11 Sep
Jersey City10:08 → 07:5112:2848 min12:280 min11 Sep
Port of Spain10:08 → 07:5111:3848 min11:380 min11 Sep
London15:08 → 12:5112:330 min12:3219 min12 Sep
Durban16:08 → 13:5111:290 min11:2848 min12 Sep
Dubai18:08 → 15:5111:510 min11:5148 min12 Sep
Delhi19:38 → 17:2111:530 min11:5348 min12 Sep
Kolkata19:38 → 17:2111:090 min11:0948 min12 Sep
Singapore22:08 → 19:5112:370 min12:3748 min12 Sep
Sydney00:08 → 21:5111:280 min11:2848 min12 Sep
Suva02:08 → 23:5111:390 min11:3948 min12 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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