Ruling · Vāmana Jayantī · 1902

Sunday 14 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 549 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 Sunday 14 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Monday 15 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 01:36 on Sun 14 Sep to 02:40 on Mon 15 Sep.

    1902-09-13T17:35:38Z → 1902-09-14T18:40:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 14th, 11:49–12:37 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 32962 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1902: Sunday 14 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1902 falls on Sunday 14 September. Dvādaśī runs from 01:36 on Sun 14 Sep to 02:40 on Mon 15 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1902/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 14 Sep
compat-drikpanchangComparison profileSun 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles09:36 → 10:4011:2548 min11:240 min13 Sep
Chicago11:36 → 12:4011:2235 min11:2248 min14 Sep
Jersey City12:36 → 13:4011:280 min11:2848 min14 Sep
Port of Spain13:36 → 14:4011:380 min11:3848 min14 Sep
London17:36 → 18:4011:320 min11:3248 min14 Sep
Durban19:06 → 20:1010:580 min10:5848 min14 Sep
Dubai21:17 → 22:2111:320 min11:3148 min14 Sep
Delhi22:57 → 00:0111:440 min11:4448 min14 Sep
Kolkata22:57 → 00:0111:000 min10:5948 min14 Sep
Singapore00:31 → 01:3511:320 min11:3248 min14 Sep
Sydney03:36 → 04:4011:280 min11:2748 min14 Sep
Suva05:31 → 06:3511:340 min11:3348 min14 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

About Ahargaṇa