Ruling · Vivasvat Saptamī · 2000

Friday 7 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 122 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 Friday 7 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 Saturday 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 09:57 on Fri 7 Jul to 09:03 on Sat 8 Jul.

    2000-07-07T01:56:47Z → 2000-07-08T01:03:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 7th, 11:59–12:47 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 7328 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2000: Friday 7 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2000 falls on Friday 7 July. Saptamī runs from 09:57 on Fri 7 Jul to 09:03 on Sat 8 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2000/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 7 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 7 Jul
compat-drikpanchangComparison profileFri 7 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles18:57 → 18:0312:3448 min12:340 min7 Jul
Chicago20:57 → 20:0312:3148 min12:320 min7 Jul
Jersey City21:57 → 21:0312:3748 min12:370 min7 Jul
Port of Spain21:57 → 21:0311:4748 min11:470 min7 Jul
London02:57 → 02:0312:4148 min12:410 min7 Jul
Durban03:57 → 03:0311:3748 min11:370 min7 Jul
Dubai05:57 → 05:0312:0048 min12:000 min7 Jul
Delhi07:27 → 06:3312:0248 min12:020 min7 Jul
Kolkata07:27 → 06:3311:1748 min11:180 min7 Jul
Singapore09:57 → 09:0312:4648 min12:460 min7 Jul
Sydney11:57 → 11:0311:3627 min11:360 min7 Jul
Suva13:57 → 13:0311:470 min11:4748 min8 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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