Ruling · Vivasvat Saptamī · 1948

Monday 12 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 104 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 Monday 12 July

Taken. The only midday Saptamī reaches.

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

48 of 48 minutes covered

Midday of Tuesday 13 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 13:00  13:48 madhyāhna ends
12:1212:3613:0013:2413:4814:1214:36

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 11:16 on Mon 12 Jul to 09:17 on Tue 13 Jul.

    1948-07-12T02:15:54Z → 1948-07-13T00:16:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:59–13:47 on the 12th, 13:00–13:48 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 6212 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1948: Monday 12 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1948 falls on Monday 12 July. Saptamī runs from 11:16 on Mon 12 Jul to 09:17 on Tue 13 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 12 Jul
compat-drikpanchangComparison profileMon 12 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles19:16 → 17:1712:3448 min12:340 min12 Jul
Chicago21:16 → 19:1712:3248 min12:320 min12 Jul
Jersey City22:16 → 20:1712:3848 min12:380 min12 Jul
Port of Spain22:16 → 20:1711:4848 min11:480 min12 Jul
London03:16 → 01:1712:4248 min12:420 min12 Jul
Durban04:16 → 02:1711:3748 min11:380 min12 Jul
Dubai06:16 → 04:1712:0048 min12:000 min12 Jul
Delhi07:46 → 05:4712:0248 min12:030 min12 Jul
Kolkata07:46 → 05:4711:1848 min11:180 min12 Jul
Singapore09:46 → 07:4712:1648 min12:160 min12 Jul
Sydney12:16 → 10:1711:379 min11:370 min12 Jul
Suva14:16 → 12:1711:480 min11:4829 min13 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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