Ans.
In day Panchang all timings are end timings. When we list
Tithi : Chaturdashi - 14:15:52. It means that Chaturdashi Tithi, which was prevailing during sunrise, would get over at local time 14:15:52. After it next Tithi i.e. Amavasya or Purnima, depending on Krishna or Shukla Paksha, will start. Similarly
Nakshatra : Uttara Bhadrapada - 08:22:49 means that Uttara Bhadrapada Nakshatra, which was prevailing during sunrise, would get over at local time 08:22:49.
Yoga : Dhriti - 09:09:07 means that Dhriti Yoga, which was prevailing during sunrise, would get over at local time 09:09:07.
Karna : Balava - 10:25:00 means that first Balava Karna, which was prevailing during sunrise, would get over at local time 10:25:00.
Karna : Kaulava - 23:39:38 means that second Kaulava Karna, would get over at local time 23:39:38.
Moonsign : Simha - 12:53:55 means that Simha moonsign, which was prevailing during sunrise, would get over at local time 12:53:55.
Sunsign : Karka - 18:38:59 means that Karka sunsign, which was prevailing during sunrise would get over at local time 18:38:59. In other words there would be Sankranti at 18:38:59 i.e. Sun would move to next zodiac Simha at local time 18:38:59.
Many Panchang shows end timings for Tithi, Nakshatra, Yoga, and Karna but shows start timings for Moonsign and Sunsign. To avoid any confusion www.drikpanchang.com shows end timings for all Panchang elements.
All timings are local to current location. The Daylight Saving Time (DST), if applicable, has been adjusted for all locations.