{"id":"vidhyamitra:city-day:ujjain:2018-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/2018-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-02-13","date_display":"February 13, 2018 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458162.770833,"kali_year":5119,"ahargana":1869697.2708,"sun":{"sidereal_longitude":300.2163,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":267.4438,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2276,"elapsed_within_tithi_degrees":3.2276},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.4438,"elapsed_within_degrees":0.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.6601},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2018,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458162.770833,"ahargana":1869697.2708,"kali_year":5119,"ayanamsa_lahiri":24.1061,"grahas":{"sun":{"sidereal_longitude":300.170263,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":268.86916299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":2.0411},"mars":{"sidereal_longitude":226.28986299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":296.480863,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":208.00906299999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":308.260663,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":251.74976300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":114.441,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.441,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458162.770833,"kali_year":5119,"ahargana":1869697.2708,"sun":{"sidereal_longitude":300.2163,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":267.4438,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2276,"elapsed_within_tithi_degrees":3.2276},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.4438,"elapsed_within_degrees":0.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.6601},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.041,"elongation":32.772},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.041,"opposition_distance":147.228}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:01","sunsetLocal":"18:22","solarNoonLocal":"12:41","dayLengthHours":11.342539339433777,"dayLengthDisplay":"11 Hours 20 Mins 33 Secs","nightLengthDisplay":"12 Hours 39 Mins 27 Secs","moonriseLocal":"05:12","moonsetLocal":"16:00","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"16:57","startHours":15.526393589202145,"endHours":16.944211006631367,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:51","end":"11:16","startHours":9.855123919485257,"endHours":11.272941336914478,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:41","end":"14:07","startHours":12.690758754343701,"endHours":14.108576171772924,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:03","startHours":9.66608159716136,"endHours":10.044166241809153,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:48","startHours":7.492094890436553,"endHours":7.794562606154787,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:04","startHours":12.312674109695909,"endHours":13.068843398991493,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:16","startHours":5.507150506035642,"endHours":6.263319795331228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"07:01","startHours":6.074277473007331,"endHours":7.019489084626812,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:20","startHours":14.581181977582663,"endHours":15.337351266878247,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.16202842406059,"endHours":18.56202842406059,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:50","startHours":18.36202842406059,"endHours":18.834634229870332,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.11202842406059,"endHours":19.86202842406059,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:04","startHours":24.31267410969591,"endHours":25.068843398991493,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:01","end":"08:26","startHours":7.019489084626812,"endHours":8.437306502056035,"quality":"inauspicious"},{"name":"Udveg","start":"08:26","end":"09:51","startHours":8.437306502056035,"endHours":9.855123919485257,"quality":"inauspicious"},{"name":"Chala","start":"09:51","end":"11:16","startHours":9.855123919485257,"endHours":11.272941336914478,"quality":"neutral"},{"name":"Labha","start":"11:16","end":"12:41","startHours":11.272941336914478,"endHours":12.690758754343701,"quality":"auspicious"},{"name":"Amṛta","start":"12:41","end":"14:07","startHours":12.690758754343701,"endHours":14.108576171772924,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:32","startHours":14.108576171772924,"endHours":15.526393589202145,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"16:57","startHours":15.526393589202145,"endHours":16.944211006631367,"quality":"auspicious"},{"name":"Roga","start":"16:57","end":"18:22","startHours":16.944211006631367,"endHours":18.36202842406059,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:22","end":"19:57","startHours":18.36202842406059,"endHours":19.944211006631367,"quality":"inauspicious"},{"name":"Śubha","start":"19:57","end":"21:32","startHours":19.944211006631367,"endHours":21.526393589202144,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"23:07","startHours":21.526393589202144,"endHours":23.108576171772924,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:41","startHours":23.108576171772924,"endHours":24.6907587543437,"quality":"inauspicious"},{"name":"Chala","start":"00:41","end":"02:16","startHours":24.6907587543437,"endHours":26.272941336914478,"quality":"neutral"},{"name":"Labha","start":"02:16","end":"03:51","startHours":26.272941336914478,"endHours":27.85512391948526,"quality":"auspicious"},{"name":"Amṛta","start":"03:51","end":"05:26","startHours":27.85512391948526,"endHours":29.437306502056035,"quality":"auspicious"},{"name":"Kāla","start":"05:26","end":"07:01","startHours":29.437306502056035,"endHours":31.019489084626812,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.019489084626812,"endHours":8.019489084626812,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.019489084626812,"endHours":9.019489084626812,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.019489084626812,"endHours":10.019489084626812,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.019489084626812,"endHours":11.019489084626812,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.019489084626812,"endHours":12.019489084626812,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.019489084626812,"endHours":13.019489084626812,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.019489084626812,"endHours":14.019489084626812,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.019489084626812,"endHours":15.019489084626812,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.019489084626812,"endHours":16.019489084626812,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.019489084626812,"endHours":17.019489084626812,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.019489084626812,"endHours":18.019489084626812,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.019489084626812,"endHours":19.019489084626812,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.019489084626812,"endHours":20.019489084626812,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.019489084626812,"endHours":21.019489084626812,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.019489084626812,"endHours":22.019489084626812,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.019489084626812,"endHours":23.019489084626812,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.019489084626812,"endHours":24.019489084626812,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.019489084626812,"endHours":25.019489084626812,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.019489084626812,"endHours":26.019489084626812,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.019489084626812,"endHours":27.019489084626812,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.019489084626812,"endHours":28.019489084626812,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.019489084626812,"endHours":29.019489084626812,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.019489084626812,"endHours":30.019489084626812,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.019489084626812,"endHours":31.019489084626812,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.428191261643457,"eotMinutes":-14.599525260622107,"ayanamsa":24.1061}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Trayodaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Kumbha Saṅkrānti · Pradoṣa Vrata is not live yet; Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ujjain"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 13, 2018 CE · Ujjain · Vidhyamitra","description":"February 13, 2018 CE for Ujjain: Kṛṣṇa Trayodaśī, sūryodaya 07:01, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2018-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2018-02-13","sa":"https://sa.vidhyamitra.com/city/ujjain/2018-02-13","hi":"https://hi.vidhyamitra.com/city/ujjain/2018-02-13","x-default":"https://vidhyamitra.com/city/ujjain/2018-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-24T18:25:46.985Z","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":"2026-08-24T18:25:46.985Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-24T18:25:46.985Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}