Ruling · Sūrya Ṣaṣṭhī (Bhādrapada) · 1981

Friday 4 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 367 minutes.

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 Friday 4 September

Taken. The only midday Ṣaṣṭhī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Saturday 5 September

Ṣaṣṭhī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 03:28 on Fri 4 Sep to 05:46 on Sat 5 Sep.

    1981-09-03T19:27:37Z → 1981-09-04T21:45:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 4th, 11:53–12:41 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 22003 s

  5. 05

    Ruling

    Sūrya Ṣaṣṭhī (Bhādrapada), Baoding, 1981: Friday 4 September.

    confidence: determinate

Say it like this

In Baoding, Sūrya Ṣaṣṭhī (Bhādrapada) 1981 falls on Friday 4 September. Ṣaṣṭhī runs from 03:28 on Fri 4 Sep to 05:46 on Sat 5 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1981/surya-shashthi-bhadrapada · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 4 Sep
compat-drikpanchangComparison profileFri 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles12:28 → 14:4612:2848 min12:2848 min4 Sep
Chicago14:28 → 16:4612:250 min12:2548 min4 Sep
Jersey City15:28 → 17:4612:310 min12:3148 min4 Sep
Port of Spain15:28 → 17:4611:410 min11:4148 min4 Sep
London20:28 → 22:4612:350 min12:3548 min4 Sep
Durban21:28 → 23:4611:310 min11:3148 min4 Sep
Dubai23:28 → 01:4611:540 min11:5448 min4 Sep
Delhi00:58 → 03:1611:560 min11:5648 min4 Sep
Kolkata00:58 → 03:1611:120 min11:1148 min4 Sep
Singapore02:58 → 05:1612:100 min12:1048 min4 Sep
Sydney05:28 → 07:4611:310 min11:3148 min4 Sep
Suva07:28 → 09:4611:420 min11:4248 min4 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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