achche panchang ki visheshtaen pan. manohar sharma 'pulastya' aj bajar anekanek panchangon, patron adi se bhara para hai, parantu inmen se adhikansh apne mandand par khare nahin utrte. kuch gine-chune panchang ya patre hi jan samanya ki sahayta kar pate hain. aise men ek aise panchang ka hona avashyak hai, jo har dri shtikon se utkrisht ho. yahan ek achche panchang ki kuch visheshtaon ka vivaran prastut hai. patre, panchag aur tithipatrak ka santulit samayojan : ek achche panchang men patre, panchang aur kailendar ka purn santulit samayojan honi chahie. panchang men janvri se disanbar tak varsh ke barah mason ki pratyek tarikh men vikrami sanvat v sanvat mason ki tithiyon, dainik nakshatra evan grahyog, dinman, suryoday aur suryast ke samay, chandra ke rashiyon men pravesh, bhadra evan vrat v tyauhar adi ka ullekh hona chahie. pratyek rashi ka masik bhavishyafal bhi diya jana chahie.
iske sath hi varsh men pramukh sanbhavit ghatnaon ki bhavishyavani, vyaparik teji-mandi evan mausam se sanbandhit bhavishyavani bhi hona chahie. grahon evan devi-devtaon ke ashubh prabhavon ke nivaran sanbandhi upayon evan mantron ka ullekh : grahon evan nakshatron ki samyak jankariyon ke sath-sath vibhinn grahon ke ashubh prabhavon ke nivaran ke upayon v mantron ka vistrit vivechan evan vibhinn devi- devtaon ke mantron (jo un nirdisht tithiyon v parvon men ate hain), unke yantron ke chitra, chune hue mahatvapurn mantra evan unke jap-vidhan ke sath-sath mantron ke jagaran, yantron ki pran-pratishtha v tantra shastra se sanbandhit paryapt jankariyan bhi ek achche panchang men honi chahie. sath hi, dharmik anushthanon, devi-devtaon ki puja-aradhna aur mantron se sanbandhit shastrasammat evan laukik vidhi-vidhanon ki paryapt jankariyan bhi ek achche panchang men di jani chahie.
jyotish, dharm, lok-prachlit tone-totke, shakunon v svapnon ke shubhashubh falon ki jankari : shastrasammat jyotish aur dharm sanbandhi jankari ke sath-sath lokaprachlit tone-totkon, shakun apshkunon evan vibhinn prakar ke svapnon aur unke shubhashubh falon tatha samanya gyan ka vistrit vivaran bhi ek achche panchang men hona chahie. sath hi, vibhinn rogon ke lakshanon, karnon v pathyapathya ke sath-sath deshi-davaiyon v vibhinn jari butiyon evan tantra-mantra-yantra janya upcharon ka ullekh bhi avashyak hai. ang-farakan v svar-vigyan se sanbandhit jankari : sharir ke vibhinn angon ke farkne ke shubhashubh falon ke sath-sath vibhinn tithiyon ko chalne vale svaron aur unke shubhashubh falon aur upayon ka vivaran bhi ek achche panchang men hona chahie. samudrik shastra ka ki jankari : hamara sharir hi ek purn tantra vigyan hai.
kisi vyakti ke lie iska samyak gyan avashyak hota hai. atah ek achche panchang men iski yathasanbhav sahi-sahi jankari honi chahie. is jankari ke falasvarup panchang ki ek alag pahchan banegi. sarvarthasiddhi, ravipushya, guru pushya, dvipushkar, tripushkar v ravi yogadi ka vivaran : hamare dainik jivan men kai aise karya hain jo savarth siddhi, ravi pushya, guru pushya, dvipushkar, tripushkar v ravi yogon men hi hona chahie anyatha unke bigar jane ki prabal sanbhavna rahti hai. islie ek achche panchang men in yogon ka sangopang ullekh bhi hona chahie. sath hi vibhinn prachin tantracharyon ki shodhaparak sanhitaon ki mahatvapurn tathyon ka samavesh bhi hona chahie jaise bhrigu v ravan sanhitaon ke ansh, lal-kitab ke ansh adi. ravan ka 'kal nirnaya' bhi ek bahut achcha shodh granth hai jismen panch prakar ke kalon ka ullekh hai.
adhikansh panchangon men keval rahukal ka hi samavesh kiya jata hai. mahendrakal, amritkal, vakra kal aur shunyakal ka anshik ullekh bhi ek achche panchang men hona chahie. krishi evan varsha sanbandhi jankariyon ka samavesh : ek achche panchang men krishi evan varsha sanbandhi jankari ka hona bhi avashyak hai. sath hi achchi fasal ke upayon ke sath-sath kin tithiyon evan avdhiyon men kaun-kaun si fasal lagani chahie iska ullekh bhi avashyak hai. hanikarak kiton ka prakop kab ho sakta hai, uske prakop ke nivaran ke kya aushdhiya tatha mantra-tantra-yantra janya upchar hon iski jankari bhi honi chahie.
prachin kal men ayurvedik evan tantrik upay apnae jate the, jiske falasvarup fasal achchi hoti thi. saranshtah ek achche panchang men ukt tathyon aur kalgnna ke sath-sath un sabhi tathyon ka samavesh hona chahie, jinka sidha sanbandh manav jivan se hai.