Ruling · Vivasvat Saptamī · 1924

Wednesday 9 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 338 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 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

Midday of Wednesday 9 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 19:16 on Tue 8 Jul to 18:25 on Wed 9 Jul.

    1924-07-08T11:15:43Z → 1924-07-09T10:25:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 8th, 11:59–12:47 on the 9th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.

    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 20283 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1924: Wednesday 9 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1924 falls on Wednesday 9 July. Saptamī runs from 19:16 on Tue 8 Jul to 18:25 on Wed 9 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1924/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 9 Jul
compat-drikpanchangComparison profileWed 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles03:16 → 02:2511:3448 min11:340 min8 Jul
Chicago06:16 → 05:2512:3148 min12:310 min8 Jul
Jersey City07:16 → 06:2512:3748 min12:370 min8 Jul
Port of Spain07:16 → 06:2511:4748 min11:470 min8 Jul
London12:16 → 11:2512:4148 min12:410 min8 Jul
Durban13:16 → 12:2511:370 min11:3748 min9 Jul
Dubai15:16 → 14:2512:000 min12:0048 min9 Jul
Delhi16:46 → 15:5512:020 min12:0248 min9 Jul
Kolkata16:46 → 15:5511:170 min11:1748 min9 Jul
Singapore18:16 → 17:2511:450 min11:4648 min9 Jul
Sydney21:16 → 20:2511:360 min11:3648 min9 Jul
Suva23:16 → 22:2511:470 min11:4748 min9 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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