Ruling · Vivasvat Saptamī · 1943

Friday 9 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 12 s.

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 Friday 9 July

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 12:59  13:47 madhyāhna ends
12:1112:3512:5913:2313:4714:1114:35

48 of 48 minutes covered

Midday of Saturday 10 July

Qualifies with 9 of 48 minutes. Not taken.

madhyāhna begins 12:59  13:47 madhyāhna ends
Saptamī ends 13:08:15
12:1112:3512:5913:2313:4714:1114:35

9 of 48 minutes covered, the first 9

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 11:54 on Fri 9 Jul to 13:08 on Sat 10 Jul.

    1943-07-09T02:53:50Z → 1943-07-10T04:08:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:59–13:47 on the 9th, 12:59–13:47 on the 10th.

    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 9th and 9 of 48 on the 10th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 552 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1943: Friday 9 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1943 falls on Friday 9 July. Saptamī runs from 11:54 on Fri 9 Jul to 13:08 on Sat 10 Jul and covers all of madhyāhna that midday. It also reaches the next midday for 9 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1943/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 9 Jul
compat-drikpanchangComparison profileFri 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles19:54 → 21:0812:3448 min12:340 min9 Jul
Chicago21:54 → 23:0812:3148 min12:320 min9 Jul
Jersey City22:54 → 00:0812:3748 min12:370 min9 Jul
Port of Spain23:54 → 01:0812:4748 min12:470 min9 Jul
London04:54 → 06:0813:4148 min13:410 min9 Jul
Durban04:54 → 06:0811:3748 min11:370 min9 Jul
Dubai06:54 → 08:0812:0048 min12:000 min9 Jul
Delhi09:24 → 10:3813:0248 min13:020 min9 Jul
Kolkata09:24 → 10:3812:1748 min12:180 min9 Jul
Singapore11:54 → 13:0813:4648 min13:460 min9 Jul
Sydney12:54 → 14:0811:360 min11:3648 min10 Jul
Suva14:54 → 16:0811:470 min11:4748 min10 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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