{"id":"vidhyamitra:city-day:kolhapur:1999-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1999-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1999-12-13","date_display":"December 13, 1999 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1999,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451525.770833,"kali_year":5101,"ahargana":1863060.2708,"sun":{"sidereal_longitude":236.3113,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":295.7831,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.4718,"elapsed_within_tithi_degrees":11.4718},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.7831,"elapsed_within_degrees":2.4497},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.0944},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1999,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451525.770833,"ahargana":1863060.2708,"kali_year":5101,"ayanamsa_lahiri":23.8523,"grahas":{"sun":{"sidereal_longitude":236.71814500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":292.23534500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":-0.756},"mars":{"sidereal_longitude":289.03554499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":218.75854500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":1.26404500000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":194.45894499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":17.168844999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":106.1012,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.1012,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1999,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451525.770833,"kali_year":5101,"ahargana":1863060.2708,"sun":{"sidereal_longitude":236.3113,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":295.7831,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.4718,"elapsed_within_tithi_degrees":11.4718},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.7831,"elapsed_within_degrees":2.4497},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.0944},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.756,"elongation":59.472},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.756,"opposition_distance":120.528}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:54","sunsetLocal":"18:02","solarNoonLocal":"12:28","dayLengthHours":11.146321905075734,"dayLengthDisplay":"11 Hours 08 Mins 47 Secs","nightLengthDisplay":"12 Hours 51 Mins 13 Secs","moonriseLocal":"10:27","moonsetLocal":"21:53","rahuKala":{"name":"Rāhu Kāla","start":"08:17","end":"09:41","startHours":8.28573178143963,"endHours":9.679022019574097,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:04","end":"12:28","startHours":11.072312257708564,"endHours":12.46560249584303,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:52","end":"15:15","startHours":13.858892733977498,"endHours":15.252182972111964,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.493249987822836,"endHours":9.864794051325358,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:39","startHours":7.356871622683319,"endHours":7.654106873485339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:50","startHours":12.094058432340507,"endHours":12.837146559345555,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:09","startHours":5.406265289295066,"endHours":6.149353416300114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:54","startHours":5.963581384548852,"endHours":6.892441543305163,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:04","startHours":14.323322813355652,"endHours":15.0664109403607,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.8387634483809,"endHours":18.238763448380897,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:30","startHours":18.038763448380898,"endHours":18.503193527759052,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.788763448380898,"endHours":19.538763448380898,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:50","startHours":24.094058432340503,"endHours":24.837146559345555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:54","end":"08:17","startHours":6.892441543305163,"endHours":8.28573178143963,"quality":"auspicious"},{"name":"Kāla","start":"08:17","end":"09:41","startHours":8.28573178143963,"endHours":9.679022019574097,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:04","startHours":9.679022019574097,"endHours":11.072312257708564,"quality":"auspicious"},{"name":"Roga","start":"11:04","end":"12:28","startHours":11.072312257708564,"endHours":12.46560249584303,"quality":"inauspicious"},{"name":"Udveg","start":"12:28","end":"13:52","startHours":12.46560249584303,"endHours":13.858892733977498,"quality":"inauspicious"},{"name":"Chala","start":"13:52","end":"15:15","startHours":13.858892733977498,"endHours":15.252182972111964,"quality":"neutral"},{"name":"Labha","start":"15:15","end":"16:39","startHours":15.252182972111964,"endHours":16.64547321024643,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:02","startHours":16.64547321024643,"endHours":18.038763448380898,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:02","end":"19:39","startHours":18.038763448380898,"endHours":19.645473210246433,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:15","startHours":19.645473210246433,"endHours":21.252182972111964,"quality":"auspicious"},{"name":"Amṛta","start":"21:15","end":"22:52","startHours":21.252182972111964,"endHours":22.8588927339775,"quality":"auspicious"},{"name":"Kāla","start":"22:52","end":"00:28","startHours":22.8588927339775,"endHours":24.46560249584303,"quality":"inauspicious"},{"name":"Śubha","start":"00:28","end":"02:04","startHours":24.46560249584303,"endHours":26.072312257708564,"quality":"auspicious"},{"name":"Roga","start":"02:04","end":"03:41","startHours":26.072312257708564,"endHours":27.6790220195741,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:17","startHours":27.6790220195741,"endHours":29.28573178143963,"quality":"inauspicious"},{"name":"Chala","start":"05:17","end":"06:54","startHours":29.28573178143963,"endHours":30.892441543305164,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:54","end":"07:54","startHours":6.892441543305163,"endHours":7.892441543305163,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:54","end":"08:54","startHours":7.892441543305163,"endHours":8.892441543305164,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:54","end":"09:54","startHours":8.892441543305164,"endHours":9.892441543305164,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:54","end":"10:54","startHours":9.892441543305164,"endHours":10.892441543305164,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:54","end":"11:54","startHours":10.892441543305164,"endHours":11.892441543305164,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:54","end":"12:54","startHours":11.892441543305164,"endHours":12.892441543305164,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:54","end":"13:54","startHours":12.892441543305164,"endHours":13.892441543305164,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:54","end":"14:54","startHours":13.892441543305164,"endHours":14.892441543305164,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:54","end":"15:54","startHours":14.892441543305164,"endHours":15.892441543305164,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:54","end":"16:54","startHours":15.892441543305164,"endHours":16.892441543305164,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:54","end":"17:54","startHours":16.892441543305164,"endHours":17.892441543305164,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:54","end":"18:54","startHours":17.892441543305164,"endHours":18.892441543305164,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:54","end":"19:54","startHours":18.892441543305164,"endHours":19.892441543305164,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:54","end":"20:54","startHours":19.892441543305164,"endHours":20.892441543305164,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:54","end":"21:54","startHours":20.892441543305164,"endHours":21.892441543305164,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:54","end":"22:54","startHours":21.892441543305164,"endHours":22.892441543305164,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:54","end":"23:54","startHours":22.892441543305164,"endHours":23.892441543305164,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:54","end":"00:54","startHours":23.892441543305164,"endHours":24.892441543305164,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:54","end":"01:54","startHours":24.892441543305164,"endHours":25.892441543305164,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:54","end":"02:54","startHours":25.892441543305164,"endHours":26.892441543305164,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:54","end":"03:54","startHours":26.892441543305164,"endHours":27.892441543305164,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:54","end":"04:54","startHours":27.892441543305164,"endHours":28.892441543305164,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:54","end":"05:54","startHours":28.892441543305164,"endHours":29.892441543305164,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:54","end":"06:54","startHours":29.892441543305164,"endHours":30.892441543305164,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.10131412077642,"eotMinutes":5.090650249418121,"ayanamsa":23.8523}},"calendars":{"vikram_samvat":2056,"vikram_samvatsara":"Nandana","saka_samvat":1921,"saka_samvatsara":"Pramāthi","bengali_samvat":1406,"malayalam_era":1175,"nanakshahi_year":530,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2056 Nandana · Śaka 1921 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 13, 1999 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 13, 1999 CE for Kolhāpur, Maharashtra: Śukla Pañcamī, sūryodaya 06:54, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1999-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1999-12-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1999-12-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1999-12-13","x-default":"https://vidhyamitra.com/city/kolhapur/1999-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:20:16.233Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T15:20:16.233Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:20:16.233Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}