Jyotish Gyankosh
Tithi
Chandra calendar ka din
Tithi chandra maas ka ek 'din' hai — Surya aur Chandra ke beech badhte kone ke har 12 degree par ek tithi badalti hai. Ek chandra maas mein 30 tithiyan hoti hain: Shukla paksha ki 15 (Pratipada se Purnima) aur Krishna paksha ki 15 (Pratipada se Amavasya). Vrat, tyohar, muhurat — sab tithi par tikke hain.
Iska Asar
Har tithi ka apna mizaaj maana gaya hai. Dwitiya, Tritiya, Panchami jaise din shubh karyon ke liye upyukt; Chaturthi, Navami, Chaturdashi — inhe rikta tithiyan kehte hain — inmein bade aarambh taalne ki parampara hai. Purnima aur Amavasya vishesh shakti wali tithiyan maani jaati hain.
Janam ke samay ki tithi bhi kundli mein dekhi jaati hai — paramparik roop se ise mann ki sthiti aur jeevan ke utaar-chadhav se joda jaata hai. Muhurat chunne ki pehli seedhi hi tithi hai.
Aksar pooche jaane wale sawal
Surya-Chandra ke beech har 12 degree ke antar par ek tithi badalti hai. Ye chandra calendar ka din hai — ek maas mein 30 tithiyan hoti hain.
Chand ke badhne wale 15 din Shukla paksha (Pratipada se Purnima), ghatne wale 15 din Krishna paksha (Pratipada se Amavasya) kehlate hain.
Chaturthi, Navami aur Chaturdashi — inhe rikta (khali) tithiyan kehte hain; paramparik roop se inmein naye shubh karya shuru nahi kiye jaate.
English date aadhi raat ko badalti hai; tithi Surya-Chandra ki sthiti par nirbhar karti hai — isliye ek tithi kabhi-kabhi do dinon mein banti hai (kshaya/vriddhi).
Aage Padhein
Note: Ye jaankari paramparik vedic jyotish ki maanyataon par based hai — sanket aur rujhan batati hai, guarantee nahi deti. Koi bada faisla lene se pehle kisi yogya jyotishi se poori kundli ka vishleshan karwa lein.