Evening of Sunday 20 January
Caturthī is absent from pradoṣa. Not taken.
17:24 sunsetpradoṣa ends 19:17
17:0017:2417:4818:1218:3619:0019:2419:48
0 of 113 minutes covered
Ruling · Tila Caturthī · 1980
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 minutes.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Sunday 20 January
Caturthī is absent from pradoṣa. Not taken.
0 of 113 minutes covered
Evening of Monday 21 January
Taken. The only evening Caturthī reaches.
27 of 113 minutes covered, the first 27
Aṅga
Caturthī runs from 20:43 on Sun 20 Jan to 17:52 on Mon 21 Jan.
1980-01-20T12:43:16Z → 1980-01-21T09:52:04Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 17:24–19:17 on the 20th, 17:25–19:18 on the 21st.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturthī must be present during pradoṣa. It covers 0 of 113 minutes on the 20th and 27 of 113 on the 21st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one evening qualifies. No tie-break is needed.
priority: unstated → only-day · margin 1606 s
Ruling
Tila Caturthī, Baoding, 1980: Monday 21 January.
confidence: determinate
In Baoding, Tila Caturthī 1980 falls on Monday 21 January. Caturthī runs from 20:43 on Sun 20 Jan to 17:52 on Mon 21 Jan and covers 27 of 113 minutes of pradoṣa that evening.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 21 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 21 Jan |
| compat-drikpanchang | Comparison profile | Mon 21 Jan |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/tila-chaturthi · ruleset 2026.3-draft
“S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Caturthī | Sunset 20th | Covered | Sunset 21st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 04:43 → 01:52 | 17:11 | 110 min | 17:12 | 0 min | 20 Jan |
| Chicago | 06:43 → 03:52 | 16:50 | 115 min | 16:51 | 0 min | 20 Jan |
| Jersey City | 07:43 → 04:52 | 16:58 | 114 min | 16:59 | 0 min | 20 Jan |
| Port of Spain | 08:43 → 05:52 | 18:05 | 99 min | 18:05 | 0 min | 20 Jan |
| London | 12:43 → 09:52 | 16:27 | 124 min | 16:29 | 0 min | 20 Jan |
| Durban | 14:43 → 11:52 | 18:59 | 82 min | 18:59 | 0 min | 20 Jan |
| Dubai | 16:43 → 13:52 | 17:54 | 106 min | 17:54 | 0 min | 20 Jan |
| Delhi | 18:13 → 15:22 | 17:49 | 83 min | 17:50 | 0 min | 20 Jan |
| Kolkata | 18:13 → 15:22 | 17:16 | 47 min | 17:16 | 0 min | 20 Jan |
| Singapore | 20:13 → 17:22 | 18:47 | 9 min | 18:47 | 0 min | 20 Jan |
| Sydney | 23:43 → 20:52 | 20:08 | 0 min | 20:07 | 45 min | 21 Jan |
| Suva | 00:43 → 21:52 | 18:48 | 0 min | 18:48 | 88 min | 21 Jan |