Ruling · Vivasvat Saptamī · 2011

Thursday 7 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 359 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 Thursday 7 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Friday 8 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 06:00 on Thu 7 Jul to 03:39 on Fri 8 Jul.

    2011-07-06T21:59:37Z → 2011-07-07T19:38:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 7th, 11:59–12:47 on the 8th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 21555 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2011: Thursday 7 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2011 falls on Thursday 7 July. Saptamī runs from 06:00 on Thu 7 Jul to 03:39 on Fri 8 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 7 Jul
compat-drikpanchangComparison profileThu 7 Jul
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/vivasvat-saptami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 7 Vivasvat saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles15:00 → 12:3912:340 min12:345 min7 Jul
Chicago17:00 → 14:3912:310 min12:3148 min7 Jul
Jersey City18:00 → 15:3912:370 min12:3748 min7 Jul
Port of Spain18:00 → 15:3911:470 min11:4748 min7 Jul
London23:00 → 20:3912:410 min12:4148 min7 Jul
Durban00:00 → 21:3911:370 min11:3748 min7 Jul
Dubai02:00 → 23:3911:590 min12:0048 min7 Jul
Delhi03:30 → 01:0912:020 min12:0248 min7 Jul
Kolkata03:30 → 01:0911:170 min11:1748 min7 Jul
Singapore06:00 → 03:3912:450 min12:4548 min7 Jul
Sydney08:00 → 05:3911:360 min11:3648 min7 Jul
Suva10:00 → 07:3911:470 min11:4748 min7 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vivasvat-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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