Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2012

Friday 21 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 373 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 Thursday 20 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 of 48 minutes covered

Midday of Friday 21 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 21:11 on Thu 20 Sep to 18:48 on Fri 21 Sep.

    2012-09-20T13:11:08Z → 2012-09-21T10:47:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 22376 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 2012: Friday 21 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 2012 falls on Friday 21 September. Ṣaṣṭhī runs from 21:11 on Thu 20 Sep to 18:48 on Fri 21 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2012/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 21 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 21 Sep
compat-drikpanchangComparison profileFri 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles06:11 → 03:4812:2248 min12:220 min20 Sep
Chicago08:11 → 05:4812:1948 min12:190 min20 Sep
Jersey City09:11 → 06:4812:2548 min12:250 min20 Sep
Port of Spain09:11 → 06:4811:3548 min11:350 min20 Sep
London14:11 → 11:4812:290 min12:290 min21 Sep
Durban15:11 → 12:4811:250 min11:2548 min21 Sep
Dubai17:11 → 14:4811:480 min11:4848 min21 Sep
Delhi18:41 → 16:1811:500 min11:5048 min21 Sep
Kolkata18:41 → 16:1811:060 min11:0548 min21 Sep
Singapore21:11 → 18:4812:340 min12:3448 min21 Sep
Sydney23:11 → 20:4811:250 min11:2448 min21 Sep
Suva01:11 → 22:4811:360 min11:3648 min21 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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