Ruling · Vivasvat Saptamī · 2094

Monday 19 July

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 16 s away. Say “contested”.

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 Monday 19 July

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

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

Midday of Tuesday 20 July

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
Saptamī ends 12:50:06
11:1311:3712:0112:2512:4913:1313:37

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 11:10 on Mon 19 Jul to 12:50 on Tue 20 Jul.

    2094-07-19T03:10:03Z → 2094-07-20T04:50:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 19th, 12:01–12:49 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 76 s < 300 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2094: Monday 19 July.

    confidence: boundary (margin)

Say it like this

In Baoding, Vivasvat Saptamī 2094 falls on Monday 19 July. Saptamī runs from 11:10 on Mon 19 Jul to 12:50 on Tue 20 Jul and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 1 min 16 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2094/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 19 Jul
compat-drikpanchangComparison profileMon 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles20:10 → 21:5012:3648 min12:360 min19 Jul
Chicago22:10 → 23:5012:3348 min12:330 min19 Jul
Jersey City23:10 → 00:5012:3948 min12:390 min19 Jul
Port of Spain23:10 → 00:5011:4948 min11:490 min19 Jul
London04:10 → 05:5012:4348 min12:430 min19 Jul
Durban05:10 → 06:5011:3948 min11:390 min19 Jul
Dubai07:10 → 08:5012:0248 min12:020 min19 Jul
Delhi08:40 → 10:2012:0448 min12:040 min19 Jul
Kolkata08:40 → 10:2011:1948 min11:190 min19 Jul
Singapore11:10 → 12:5012:4748 min12:483 min19 Jul
Sydney13:10 → 14:5011:380 min11:3848 min20 Jul
Suva15:10 → 16:5011:490 min11:4948 min20 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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