{"id":"vidhyamitra:city-day:thane:2138-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2138-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2138-08-18","date_display":"August 18, 2138 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":2138,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502177.770833,"kali_year":5240,"ahargana":1913712.2708,"sun":{"sidereal_longitude":118.3291,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":263.1789,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.8498,"elapsed_within_tithi_degrees":0.8498},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.1789,"elapsed_within_degrees":9.8456},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.5081},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2138,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502177.770833,"ahargana":1913712.2708,"kali_year":5240,"ayanamsa_lahiri":25.7895,"grahas":{"sun":{"sidereal_longitude":119.28226599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":262.377166,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-2.8384},"mars":{"sidereal_longitude":177.21786599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":109.31156599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":241.02826600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"venus":{"sidereal_longitude":155.50286600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":273.9227659999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":302.3145,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":122.3145,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":"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":2138,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502177.770833,"kali_year":5240,"ahargana":1913712.2708,"sun":{"sidereal_longitude":118.3291,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":263.1789,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.8498,"elapsed_within_tithi_degrees":0.8498},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.1789,"elapsed_within_degrees":9.8456},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.5081},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.838,"elongation":144.85},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.838,"opposition_distance":35.15}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:19","sunsetLocal":"19:04","solarNoonLocal":"12:42","dayLengthHours":12.74477237719369,"dayLengthDisplay":"12 Hours 44 Mins 41 Secs","nightLengthDisplay":"11 Hours 15 Mins 19 Secs","moonriseLocal":"16:44","moonsetLocal":"03:44","rahuKala":{"name":"Rāhu Kāla","start":"07:55","end":"09:30","startHours":7.914304653900874,"endHours":9.507401201050087,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:06","end":"12:42","startHours":11.100497748199297,"endHours":12.693594295348507,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:17","end":"15:53","startHours":14.28669084249772,"endHours":15.879787389646932,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:43","startHours":9.294988328096856,"endHours":9.719814074003313,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:12","startHours":6.852240289134733,"endHours":7.192100885859898,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:07","startHours":12.26876854944205,"endHours":13.118420041254964,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:28","startHours":4.6219051231258375,"endHours":5.47155661493875,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:19","startHours":5.259143741985522,"endHours":6.321208106751663,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:49","end":"15:40","startHours":14.817723024880788,"endHours":15.6673745166937,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.865980483945354,"endHours":19.265980483945352,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:36","startHours":19.065980483945353,"endHours":19.597012666328425,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.815980483945353,"endHours":20.565980483945353,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:07","startHours":24.26876854944205,"endHours":25.118420041254964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:19","end":"07:55","startHours":6.321208106751663,"endHours":7.914304653900874,"quality":"auspicious"},{"name":"Kāla","start":"07:55","end":"09:30","startHours":7.914304653900874,"endHours":9.507401201050087,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"11:06","startHours":9.507401201050087,"endHours":11.100497748199297,"quality":"auspicious"},{"name":"Roga","start":"11:06","end":"12:42","startHours":11.100497748199297,"endHours":12.693594295348507,"quality":"inauspicious"},{"name":"Udveg","start":"12:42","end":"14:17","startHours":12.693594295348507,"endHours":14.28669084249772,"quality":"inauspicious"},{"name":"Chala","start":"14:17","end":"15:53","startHours":14.28669084249772,"endHours":15.879787389646932,"quality":"neutral"},{"name":"Labha","start":"15:53","end":"17:28","startHours":15.879787389646932,"endHours":17.47288393679614,"quality":"auspicious"},{"name":"Amṛta","start":"17:28","end":"19:04","startHours":17.47288393679614,"endHours":19.065980483945353,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:04","end":"20:28","startHours":19.065980483945353,"endHours":20.47288393679614,"quality":"neutral"},{"name":"Labha","start":"20:28","end":"21:53","startHours":20.47288393679614,"endHours":21.87978738964693,"quality":"auspicious"},{"name":"Amṛta","start":"21:53","end":"23:17","startHours":21.87978738964693,"endHours":23.28669084249772,"quality":"auspicious"},{"name":"Kāla","start":"23:17","end":"00:42","startHours":23.28669084249772,"endHours":24.693594295348507,"quality":"inauspicious"},{"name":"Śubha","start":"00:42","end":"02:06","startHours":24.693594295348507,"endHours":26.100497748199295,"quality":"auspicious"},{"name":"Roga","start":"02:06","end":"03:30","startHours":26.100497748199295,"endHours":27.507401201050087,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"04:55","startHours":27.507401201050087,"endHours":28.914304653900874,"quality":"inauspicious"},{"name":"Chala","start":"04:55","end":"06:19","startHours":28.914304653900874,"endHours":30.321208106751662,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.321208106751663,"endHours":7.321208106751663,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.321208106751663,"endHours":8.321208106751662,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.321208106751662,"endHours":9.321208106751662,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.321208106751662,"endHours":10.321208106751662,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.321208106751662,"endHours":11.321208106751662,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.321208106751662,"endHours":12.321208106751662,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.321208106751662,"endHours":13.321208106751662,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.321208106751662,"endHours":14.321208106751662,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.321208106751662,"endHours":15.321208106751662,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.321208106751662,"endHours":16.321208106751662,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.321208106751662,"endHours":17.321208106751662,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.321208106751662,"endHours":18.321208106751662,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.321208106751662,"endHours":19.321208106751662,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.321208106751662,"endHours":20.321208106751662,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.321208106751662,"endHours":21.321208106751662,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.321208106751662,"endHours":22.321208106751662,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.321208106751662,"endHours":23.321208106751662,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.321208106751662,"endHours":24.321208106751662,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.321208106751662,"endHours":25.321208106751662,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.321208106751662,"endHours":26.321208106751662,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.321208106751662,"endHours":27.321208106751662,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.321208106751662,"endHours":28.321208106751662,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.321208106751662,"endHours":29.321208106751662,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.321208106751662,"endHours":30.321208106751662,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.162975884260613,"eotMinutes":-3.5280577209103767,"ayanamsa":25.7895}},"calendars":{"vikram_samvat":2195,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2060,"saka_samvatsara":"Vilambī","bengali_samvat":1545,"malayalam_era":1314,"nanakshahi_year":669,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Trayodaśī · Vikram 2195 Virodhakṛt · Śaka 2060 Vilambī"},"festivals":[{"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":"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":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 18, 2138 CE · Thane, Maharashtra · Vidhyamitra","description":"August 18, 2138 CE for Thane, Maharashtra: Śukla Trayodaśī, sūryodaya 06:19, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2138-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2138-08-18","sa":"https://sa.vidhyamitra.com/city/thane/2138-08-18","hi":"https://hi.vidhyamitra.com/city/thane/2138-08-18","x-default":"https://vidhyamitra.com/city/thane/2138-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:40:31.119Z","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":"2026-05-30T23:40:31.120Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:40:31.120Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}