Ruling · Vāmana Jayantī · 1927

Thursday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 268 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 Thursday 8 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Friday 9 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 07:24 on Thu 8 Sep to 05:42 on Fri 9 Sep.

    1927-09-07T23:23:50Z → 1927-09-08T21:42:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 8th, 11:52–12:40 on the 9th.

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

  3. 03

    Rule

    Dvādaśī 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. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 16082 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1927: Thursday 8 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1927 falls on Thursday 8 September. Dvādaśī runs from 07:24 on Thu 8 Sep to 05:42 on Fri 9 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 8 Sep
compat-drikpanchangComparison profileThu 8 Sep
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/vamana-jayanti · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles15:24 → 13:4211:270 min11:2748 min8 Sep
Chicago18:24 → 16:4212:240 min12:2448 min8 Sep
Jersey City19:24 → 17:4212:300 min12:3048 min8 Sep
Port of Spain19:24 → 17:4211:400 min11:4048 min8 Sep
London00:24 → 22:4212:340 min12:3448 min8 Sep
Durban01:24 → 23:4211:300 min11:3048 min8 Sep
Dubai03:24 → 01:4211:530 min11:5348 min8 Sep
Delhi04:54 → 03:1211:550 min11:5548 min8 Sep
Kolkata04:54 → 03:1211:110 min11:1048 min8 Sep
Singapore06:24 → 04:4211:390 min11:3948 min8 Sep
Sydney09:24 → 07:4211:300 min11:2948 min8 Sep
Suva11:24 → 09:4211:410 min11:4148 min8 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vamana-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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