Ruling · Vivasvat Saptamī · 2019

Monday 8 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 107 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 Monday 8 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 Tuesday 9 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 10:12 on Mon 8 Jul to 07:55 on Tue 9 Jul.

    2019-07-08T02:12:24Z → 2019-07-08T23:55:02Z

  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 48 of 48 minutes on the 8th and 0 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 6398 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2019: Monday 8 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2019 falls on Monday 8 July. Saptamī runs from 10:12 on Mon 8 Jul to 07:55 on Tue 9 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2019/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 8 Jul
compat-drikpanchangComparison profileMon 8 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 Angeles19:12 → 16:5512:3448 min12:340 min8 Jul
Chicago21:12 → 18:5512:3248 min12:320 min8 Jul
Jersey City22:12 → 19:5512:3748 min12:370 min8 Jul
Port of Spain22:12 → 19:5511:4748 min11:470 min8 Jul
London03:12 → 00:5512:4148 min12:410 min8 Jul
Durban04:12 → 01:5511:3748 min11:370 min8 Jul
Dubai06:12 → 03:5512:0048 min12:000 min8 Jul
Delhi07:42 → 05:2512:0248 min12:020 min8 Jul
Kolkata07:42 → 05:2511:1848 min11:180 min8 Jul
Singapore10:12 → 07:5512:4648 min12:460 min8 Jul
Sydney12:12 → 09:5511:3612 min11:360 min8 Jul
Suva14:12 → 11:5511:470 min11:478 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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