Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 1966

Monday 19 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 11 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 Monday 19 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
Ṣaṣṭhī begins 11:58:45
11:0011:2411:4812:1212:3613:0013:24

37 of 48 minutes covered, the last 37

Midday of Tuesday 20 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 11:59 on Mon 19 Sep to 10:46 on Tue 20 Sep.

    1966-09-19T03:58:46Z → 1966-09-20T02:46:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 19th, 11:48–12:36 on the 20th.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 37 of 48 minutes on the 19th and 0 of 48 on the 20th.

    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 654 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 1966: Monday 19 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 1966 falls on Monday 19 September. Ṣaṣṭhī runs from 11:59 on Mon 19 Sep to 10:46 on Tue 20 Sep and covers 37 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1966/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 19 Sep
compat-drikpanchangComparison profileMon 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles20:59 → 19:4612:2348 min12:220 min19 Sep
Chicago22:59 → 21:4612:2048 min12:200 min19 Sep
Jersey City23:59 → 22:4612:2648 min12:250 min19 Sep
Port of Spain23:59 → 22:4611:3648 min11:360 min19 Sep
London04:59 → 03:4612:3048 min12:300 min19 Sep
Durban05:59 → 04:4611:2648 min11:260 min19 Sep
Dubai07:59 → 06:4611:4948 min11:480 min19 Sep
Delhi09:29 → 08:1611:5148 min11:500 min19 Sep
Kolkata09:29 → 08:1611:0648 min11:060 min19 Sep
Singapore11:29 → 10:1612:0548 min12:040 min19 Sep
Sydney13:59 → 12:4611:250 min11:2548 min20 Sep
Suva15:59 → 14:4611:370 min11:3648 min20 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

About Ahargaṇa