Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 2091

Tuesday 18 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 613 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 Tuesday 18 September

Taken. The only midday Ṣaṣṭhī reaches.

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

48 of 48 minutes covered

Midday of Wednesday 19 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 01:36 on Tue 18 Sep to 23:04 on Tue 18 Sep.

    2091-09-17T17:35:44Z → 2091-09-18T15:03:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:48–12:36 on the 19th.

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

  3. 03

    Rule

    Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.

    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 36756 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 2091: Tuesday 18 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 2091 falls on Tuesday 18 September. Ṣaṣṭhī runs from 01:36 on Tue 18 Sep to 23:04 on Tue 18 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 18 Sep
compat-drikpanchangComparison profileTue 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles10:36 → 08:0412:2348 min12:230 min17 Sep
Chicago12:36 → 10:0412:2133 min12:210 min17 Sep
Jersey City13:36 → 11:0412:270 min12:260 min18 Sep
Port of Spain13:36 → 11:0411:370 min11:360 min18 Sep
London18:36 → 16:0412:310 min12:3048 min18 Sep
Durban19:36 → 17:0411:270 min11:2748 min18 Sep
Dubai21:36 → 19:0411:490 min11:4948 min18 Sep
Delhi23:06 → 20:3411:520 min11:5148 min18 Sep
Kolkata23:06 → 20:3411:070 min11:0748 min18 Sep
Singapore01:36 → 23:0412:350 min12:3548 min18 Sep
Sydney03:36 → 01:0411:260 min11:2648 min18 Sep
Suva05:36 → 03:0411:370 min11:3748 min18 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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