Ruling · Vivasvat Saptamī · 1957

Wednesday 3 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 37 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 Wednesday 3 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
Saptamī begins 11:21:18
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Thursday 4 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 11:21 on Wed 3 Jul to 09:07 on Thu 4 Jul.

    1957-07-03T03:21:18Z → 1957-07-04T01:06:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 3rd, 11:58–12:46 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 2205 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1957: Wednesday 3 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1957 falls on Wednesday 3 July. Saptamī runs from 11:21 on Wed 3 Jul to 09:07 on Thu 4 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1957/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 3 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 3 Jul
compat-drikpanchangComparison profileWed 3 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles20:21 → 18:0712:3348 min12:330 min3 Jul
Chicago22:21 → 20:0712:3148 min12:310 min3 Jul
Jersey City23:21 → 21:0712:3648 min12:360 min3 Jul
Port of Spain23:21 → 21:0711:4648 min11:460 min3 Jul
London04:21 → 02:0712:4048 min12:410 min3 Jul
Durban05:21 → 03:0711:3648 min11:360 min3 Jul
Dubai07:21 → 05:0711:5948 min11:590 min3 Jul
Delhi08:51 → 06:3712:0148 min12:010 min3 Jul
Kolkata08:51 → 06:3711:1748 min11:170 min3 Jul
Singapore10:51 → 08:3712:1548 min12:150 min3 Jul
Sydney13:21 → 11:0711:350 min11:350 min4 Jul
Suva15:21 → 13:0711:460 min11:4648 min4 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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