Day of Saturday 14 January
Taken for Pongal. The transit falls in this day. Mattu Pongal is the day after.
17:17 sunset beforesunset 17:18
Sun enters Makara 10:03:29
16:5320:5300:5304:5308:5312:5316:53
Falls in this day
Ruling · Mattu Pongal · 1978
Determinatein Baoding, under the Rashtriya Panchang method. Kept the day after Pongal, Sat 14 Jan. Clear of every threshold by 435 minutes.
A tick is five ghaṭīs, two hours. The day is counted from the sunset before it to its own sunset.
Day of Saturday 14 January
Taken for Pongal. The transit falls in this day. Mattu Pongal is the day after.
Falls in this day
Day of Sunday 15 January
The transit does not fall in this day. Not taken.
Does not fall in this day
Aṅga
The Sun enters Makara at 10:03 on Sat 14 Jan.
1978-01-14T02:03:30Z · nirayana, lahiri-iae1985
Kāla
The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:18, and the day of the 15th ends at 17:19.
sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′
Rule
The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106
Tie-break
An instant falls in one day and no other. No tie-break is needed.
day counted from sunset → only-day · margin 26086 s
Counted
Mattu Pongal is kept the day after Pongal: Saturday 14 January is the day taken above.
follows: pongal + 1 d
Ruling
Mattu Pongal, Baoding, 1978: Sunday 15 January.
confidence: determinate
In Baoding, Mattu Pongal 1978 falls on Sunday 15 January. It is kept the day after Pongal, which falls on Saturday 14 January. The Sun enters Makara at 10:03 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 15 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 15 Jan |
| compat-drikpanchang | Comparison profile | Sun 15 Jan |
| Counted from midnight | CRC 1955, p. 106 | Sun 15 Jan |
| Counted from sunrise (the Orissa rule) | CRC 1955, p. 244 | Sun 15 Jan |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mattu-pongal · ruleset 2026.3-draft
“Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106. “The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day.” Calendar Reform Committee 1955, Rules of Samkranti, p. 244.
Twelve places, west to east. Local clock times.
| Place | Sun enters Makara | Sunset before 14th | Covered | Sunset before 15th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 18:03 | 17:05 | falls | 17:06 | no | 15 Jan |
| Chicago | 20:03 | 16:42 | falls | 16:43 | no | 15 Jan |
| Jersey City | 21:03 | 16:51 | falls | 16:52 | no | 15 Jan |
| Port of Spain | 22:03 | 18:01 | falls | 18:02 | no | 15 Jan |
| London | 02:03 | 16:17 | falls | 16:18 | no | 15 Jan |
| Durban | 04:03 | 19:01 | falls | 19:01 | no | 15 Jan |
| Dubai | 06:03 | 17:49 | falls | 17:50 | no | 15 Jan |
| Delhi | 07:33 | 17:44 | falls | 17:45 | no | 15 Jan |
| Kolkata | 07:33 | 17:11 | falls | 17:12 | no | 15 Jan |
| Singapore | 09:33 | 18:45 | falls | 18:45 | no | 15 Jan |
| Sydney | 13:03 | 20:09 | falls | 20:09 | no | 15 Jan |
| Suva | 14:03 | 18:48 | falls | 18:48 | no | 15 Jan |